120101012121 has 16 divisors (see below), whose sum is σ = 162442067328. Its totient is φ = 78914371200.

The previous prime is 120101012113. The next prime is 120101012131. The reversal of 120101012121 is 121210101021.

It is not a de Polignac number, because 120101012121 - 2³ = 120101012113 is a prime.

It is a super-2 number, since 2×120101012121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120101012097 and 120101012106.

It is not an unprimeable number, because it can be changed into a prime (120101012131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588925 + ... + 766181.

It is an arithmetic number, because the mean of its divisors is an integer number (10152629208).

Almost surely, 2^120101012121 is an apocalyptic number.

It is an amenable number.

120101012121 is a deficient number, since it is larger than the sum of its proper divisors (42341055207).

120101012121 is a wasteful number, since it uses less digits than its factorization.

120101012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180512.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120101012121 its reverse (121210101021), we get a palindrome (241311113142).

The spelling of 120101012121 in words is "one hundred twenty billion, one hundred one million, twelve thousand, one hundred twenty-one".