101012122 has 4 divisors (see below), whose sum is σ = 151518186. Its totient is φ = 50506060.

The previous prime is 101012089. The next prime is 101012137. The reversal of 101012122 is 221210101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89661961 + 11350161 = 9469^2 + 3369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101012099 and 101012108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25253029 + ... + 25253032.

Almost surely, 2^101012122 is an apocalyptic number.

101012122 is a deficient number, since it is larger than the sum of its proper divisors (50506064).

101012122 is an equidigital number, since it uses as much as digits as its factorization.

101012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50506063.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 101012122 is about 10050.4786950672. The cubic root of 101012122 is about 465.7195811470.

Adding to 101012122 its reverse (221210101), we get a palindrome (322222223).

The spelling of 101012122 in words is "one hundred one million, twelve thousand, one hundred twenty-two".