1021200022110 has 32 divisors (see below), whose sum is σ = 2453643228672. Its totient is φ = 272012986400.

The previous prime is 1021200022097. The next prime is 1021200022121. The reversal of 1021200022110 is 112200021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19161666 + ... + 19214885.

It is an arithmetic number, because the mean of its divisors is an integer number (76676350896).

Almost surely, 2^{1021200022110} is an apocalyptic number.

1021200022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021200022110 is an abundant number, since it is smaller than the sum of its proper divisors (1432443206562).

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

1021200022110 is a wasteful number, since it uses less digits than its factorization.

1021200022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38377448.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021200022110 its reverse (112200021201), we get a palindrome (1133400043311).

Subtracting from 1021200022110 its reverse (112200021201), we obtain a palindrome (909000000909).

The spelling of 1021200022110 in words is "one trillion, twenty-one billion, two hundred million, twenty-two thousand, one hundred ten".