1022122112 has 32 divisors (see below), whose sum is σ = 2221376400. Its totient is φ = 464600320.

The previous prime is 1022122109. The next prime is 1022122181. The reversal of 1022122112 is 2112212201.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1022122112² = 2089467223678681088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361562 + ... + 364377.

Almost surely, 2^1022122112 is an apocalyptic number.

It is an amenable number.

1022122112 is an abundant number, since it is smaller than the sum of its proper divisors (1199254288).

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

1022122112 is an equidigital number, since it uses as much as digits as its factorization.

1022122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725964 (or 725952 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1022122112 is about 31970.6445352608. The cubic root of 1022122112 is about 1007.3203194976.

Adding to 1022122112 its reverse (2112212201), we get a palindrome (3134334313).

It can be divided in two parts, 10 and 22122112, that added together give a palindrome (22122122).

The spelling of 1022122112 in words is "one billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".