120021111110 has 16 divisors (see below), whose sum is σ = 216042152400. Its totient is φ = 48007521696.

The previous prime is 120021111097. The next prime is 120021111121. The reversal of 120021111110 is 11111120021.

It is a super-2 number, since 2×120021111110² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120021111091 and 120021111100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716876 + ... + 868304.

It is an arithmetic number, because the mean of its divisors is an integer number (13502634525).

Almost surely, 2^120021111110 is an apocalyptic number.

120021111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021111110 is a deficient number, since it is larger than the sum of its proper divisors (96021041290).

120021111110 is a wasteful number, since it uses less digits than its factorization.

120021111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230695.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120021111110 its reverse (11111120021), we get a palindrome (131132231131).

The spelling of 120021111110 in words is "one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred ten".