101110020120121 has 4 divisors (see below), whose sum is σ = 103461415936912. Its totient is φ = 98758624303332.

The previous prime is 101110020120113. The next prime is 101110020120139. The reversal of 101110020120121 is 121021020011101.

It is a happy number.

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 101110020120121 - 2³ = 101110020120113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101110020180121) 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, 1175697908331 + ... + 1175697908416.

It is an arithmetic number, because the mean of its divisors is an integer number (25865353984228).

Almost surely, 2^{101110020120121} is an apocalyptic number.

It is an amenable number.

101110020120121 is a deficient number, since it is larger than the sum of its proper divisors (2351395816791).

101110020120121 is an equidigital number, since it uses as much as digits as its factorization.

101110020120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351395816790.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101110020120121 its reverse (121021020011101), we get a palindrome (222131040131222).

The spelling of 101110020120121 in words is "one hundred one trillion, one hundred ten billion, twenty million, one hundred twenty thousand, one hundred twenty-one".