120021011210 has 16 divisors (see below), whose sum is σ = 216102892896. Its totient is φ = 47993943888.

The previous prime is 120021011197. The next prime is 120021011249. The reversal of 120021011210 is 12110120021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120021011191 and 120021011200.

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, 1772684 + ... + 1839143.

It is an arithmetic number, because the mean of its divisors is an integer number (13506430806).

Almost surely, 2^120021011210 is an apocalyptic number.

120021011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021011210 is a deficient number, since it is larger than the sum of its proper divisors (96081881686).

120021011210 is a wasteful number, since it uses less digits than its factorization.

120021011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615157.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120021011210 its reverse (12110120021), we get a palindrome (132131131231).

The spelling of 120021011210 in words is "one hundred twenty billion, twenty-one million, eleven thousand, two hundred ten".