120202121020100 has 144 divisors (see below), whose sum is σ = 305988059844096. Its totient is φ = 40135193280000.

The previous prime is 120202121020057. The next prime is 120202121020103. The reversal of 120202121020100 is 1020121202021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (120202121020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9623132 + ... + 18248531.

Almost surely, 2^{120202121020100} is an apocalyptic number.

120202121020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202121020100 is an abundant number, since it is smaller than the sum of its proper divisors (185785938823996).

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

120202121020100 is a wasteful number, since it uses less digits than its factorization.

120202121020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27871846 (or 27871839 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120202121020100 its reverse (1020121202021), we get a palindrome (121222242222121).

The spelling of 120202121020100 in words is "one hundred twenty trillion, two hundred two billion, one hundred twenty-one million, twenty thousand, one hundred".