101010022121 has 4 divisors (see below), whose sum is σ = 101146707600. Its totient is φ = 100873336644.

The previous prime is 101010022111. The next prime is 101010022123. The reversal of 101010022121 is 121220010101.

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 101010022121 - 2¹⁰ = 101010021097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101010022123) 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, 68341631 + ... + 68343108.

It is an arithmetic number, because the mean of its divisors is an integer number (25286676900).

Almost surely, 2^101010022121 is an apocalyptic number.

It is an amenable number.

101010022121 is a deficient number, since it is larger than the sum of its proper divisors (136685479).

101010022121 is an equidigital number, since it uses as much as digits as its factorization.

101010022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136685478.

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

Adding to 101010022121 its reverse (121220010101), we get a palindrome (222230032222).

The spelling of 101010022121 in words is "one hundred one billion, ten million, twenty-two thousand, one hundred twenty-one".