120403211520100 has 36 divisors (see below), whose sum is σ = 261397231965604. Its totient is φ = 48138747655680.

The previous prime is 120403211520089. The next prime is 120403211520113. The reversal of 120403211520100 is 1025112304021.

It can be written as a sum of positive squares in 6 ways, for example, as 2031770861604 + 118371440658496 = 1425402^2 + 10879864^2 .

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, 281497137 + ... + 281924536.

Almost surely, 2^{120403211520100} is an apocalyptic number.

120403211520100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120403211520100 is an abundant number, since it is smaller than the sum of its proper divisors (140994020445504).

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

120403211520100 is a wasteful number, since it uses less digits than its factorization.

120403211520100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563423824 (or 563423817 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 120403211520100 its reverse (1025112304021), we get a palindrome (121428323824121).

The spelling of 120403211520100 in words is "one hundred twenty trillion, four hundred three billion, two hundred eleven million, five hundred twenty thousand, one hundred".