120102101 has 4 divisors (see below), whose sum is σ = 137259552. Its totient is φ = 102944652.

The previous prime is 120102077. The next prime is 120102121. The reversal of 120102101 is 101201021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120102101 - 2¹⁸ = 119839957 is a prime.

It is a super-2 number, since 2×120102101² = 28849029329228402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8578715 + ... + 8578728.

It is an arithmetic number, because the mean of its divisors is an integer number (34314888).

Almost surely, 2^120102101 is an apocalyptic number.

It is an amenable number.

120102101 is a deficient number, since it is larger than the sum of its proper divisors (17157451).

120102101 is an equidigital number, since it uses as much as digits as its factorization.

120102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157450.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 120102101 is about 10959.1104109777. The cubic root of 120102101 is about 493.3822656094.

Adding to 120102101 its reverse (101201021), we get a palindrome (221303122).

The spelling of 120102101 in words is "one hundred twenty million, one hundred two thousand, one hundred one".