1022021202112 has 14 divisors (see below), whose sum is σ = 2028073323068. Its totient is φ = 511010601024.

The previous prime is 1022021202107. The next prime is 1022021202221. The reversal of 1022021202112 is 2112021202201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7984540578 + ... + 7984540705.

Almost surely, 2^{1022021202112} is an apocalyptic number.

It is an amenable number.

1022021202112 is a deficient number, since it is larger than the sum of its proper divisors (1006052120956).

1022021202112 is an equidigital number, since it uses as much as digits as its factorization.

1022021202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969081295 (or 15969081285 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022021202112 its reverse (2112021202201), we get a palindrome (3134042404313).

The spelling of 1022021202112 in words is "one trillion, twenty-two billion, twenty-one million, two hundred two thousand, one hundred twelve".