10021111210 has 64 divisors (see below), whose sum is σ = 21228666624. Its totient is φ = 3364940800.

The previous prime is 10021111187. The next prime is 10021111249. The reversal of 10021111210 is 1211112001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48555 + ... + 149665.

It is an arithmetic number, because the mean of its divisors is an integer number (331697916).

Almost surely, 2^10021111210 is an apocalyptic number.

10021111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021111210 is an abundant number, since it is smaller than the sum of its proper divisors (11207555414).

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

10021111210 is a wasteful number, since it uses less digits than its factorization.

10021111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101199.

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

Adding to 10021111210 its reverse (1211112001), we get a palindrome (11232223211).

The spelling of 10021111210 in words is "ten billion, twenty-one million, one hundred eleven thousand, two hundred ten".