1021122112112 has 10 divisors (see below), whose sum is σ = 1978424092248. Its totient is φ = 510561056048.

The previous prime is 1021122112103. The next prime is 1021122112123. The reversal of 1021122112112 is 2112112211201.

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, 31910065988 + ... + 31910066019.

Almost surely, 2^{1021122112112} is an apocalyptic number.

It is an amenable number.

1021122112112 is a deficient number, since it is larger than the sum of its proper divisors (957301980136).

1021122112112 is an equidigital number, since it uses as much as digits as its factorization.

1021122112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63820132015 (or 63820132009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1021122112112 its reverse (2112112211201), we get a palindrome (3133234323313).

The spelling of 1021122112112 in words is "one trillion, twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twelve".