120121122100100 has 36 divisors (see below), whose sum is σ = 284359456319568. Its totient is φ = 43680408036000.

The previous prime is 120121122100079. The next prime is 120121122100117. The reversal of 120121122100100 is 1001221121021.

It is a super-4 number, since 4×120121122100100⁴ (a number of 57 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54600508946 + ... + 54600511145.

Almost surely, 2^{120121122100100} is an apocalyptic number.

120121122100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121122100100 is an abundant number, since it is smaller than the sum of its proper divisors (164238334219468).

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

120121122100100 is a wasteful number, since it uses less digits than its factorization.

120121122100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109201020116 (or 109201020109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120121122100100 its reverse (1001221121021), we get a palindrome (121122343221121).

The spelling of 120121122100100 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred thousand, one hundred".