120021011110 has 192 divisors, whose sum is σ = 296981100864. Its totient is φ = 34328448000.

The previous prime is 120021011093. The next prime is 120021011119. The reversal of 120021011110 is 11110120021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021011119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12117160 + ... + 12127060.

It is an arithmetic number, because the mean of its divisors is an integer number (1546776567).

Almost surely, 2^120021011110 is an apocalyptic number.

120021011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021011110 is an abundant number, since it is smaller than the sum of its proper divisors (176960089754).

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

120021011110 is a wasteful number, since it uses less digits than its factorization.

120021011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119 (or 10112 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120021011110 its reverse (11110120021), we get a palindrome (131131131131).

The spelling of 120021011110 in words is "one hundred twenty billion, twenty-one million, eleven thousand, one hundred ten".