1021210210112 has 14 divisors (see below), whose sum is σ = 2026464010818. Its totient is φ = 510605105024.

The previous prime is 1021210210109. The next prime is 1021210210121. The reversal of 1021210210112 is 2110120121201.

It can be written as a sum of positive squares in only one way, i.e., 994854635776 + 26355574336 = 997424^2 + 162344^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7978204703 + ... + 7978204830.

Almost surely, 2^{1021210210112} is an apocalyptic number.

It is an amenable number.

1021210210112 is a deficient number, since it is larger than the sum of its proper divisors (1005253800706).

1021210210112 is an equidigital number, since it uses as much as digits as its factorization.

1021210210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15956409545 (or 15956409535 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021210210112 its reverse (2110120121201), we get a palindrome (3131330331313).

The spelling of 1021210210112 in words is "one trillion, twenty-one billion, two hundred ten million, two hundred ten thousand, one hundred twelve".