121021120101012 has 24 divisors (see below), whose sum is σ = 282382796791200. Its totient is φ = 40340347192416.

The previous prime is 121021120100921. The next prime is 121021120101029. The reversal of 121021120101012 is 210101021120121.

It is a happy number.

It is a super-2 number, since 2×121021120101012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021120100982 and 121021120101000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27785539 + ... + 31844597.

It is an arithmetic number, because the mean of its divisors is an integer number (11765949866300).

Almost surely, 2^{121021120101012} is an apocalyptic number.

121021120101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121021120101012 is an abundant number, since it is smaller than the sum of its proper divisors (161361676690188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121021120101012 is a wasteful number, since it uses less digits than its factorization.

121021120101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543655 (or 6543653 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121021120101012 its reverse (210101021120121), we get a palindrome (331122141221133).

The spelling of 121021120101012 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty million, one hundred one thousand, twelve".