2120201100101 has 4 divisors (see below), whose sum is σ = 2423086971552. Its totient is φ = 1817315228652.

The previous prime is 2120201100091. The next prime is 2120201100133. The reversal of 2120201100101 is 1010011020212.

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 not a de Polignac number, because 2120201100101 - 2¹⁰ = 2120201099077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120201102101) 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, 151442935715 + ... + 151442935728.

It is an arithmetic number, because the mean of its divisors is an integer number (605771742888).

Almost surely, 2^{2120201100101} is an apocalyptic number.

It is an amenable number.

2120201100101 is a deficient number, since it is larger than the sum of its proper divisors (302885871451).

2120201100101 is an equidigital number, since it uses as much as digits as its factorization.

2120201100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302885871450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2120201100101 its reverse (1010011020212), we get a palindrome (3130212120313).

The spelling of 2120201100101 in words is "two trillion, one hundred twenty billion, two hundred one million, one hundred thousand, one hundred one".