1021210010112 has 40 divisors (see below), whose sum is σ = 2720567296656. Its totient is φ = 340403336192.

The previous prime is 1021210010087. The next prime is 1021210010137. The reversal of 1021210010112 is 2110100121201.

It is an interprime number because it is at equal distance from previous prime (1021210010087) and next prime (1021210010137).

It is a super-2 number, since 2×1021210010112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332423598 + ... + 332426669.

Almost surely, 2^{1021210010112} is an apocalyptic number.

1021210010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021210010112 is an abundant number, since it is smaller than the sum of its proper divisors (1699357286544).

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

1021210010112 is an frugal number, since it uses more digits than its factorization.

1021210010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664850288 (or 664850272 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021210010112 its reverse (2110100121201), we get a palindrome (3131310131313).

The spelling of 1021210010112 in words is "one trillion, twenty-one billion, two hundred ten million, ten thousand, one hundred twelve".