20002211122112 has 14 divisors (see below), whose sum is σ = 39691887695568. Its totient is φ = 10001105561024.

The previous prime is 20002211122111. The next prime is 20002211122139. The reversal of 20002211122112 is 21122111220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002211122111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156267274328 + ... + 156267274455.

Almost surely, 2^{20002211122112} is an apocalyptic number.

It is an amenable number.

20002211122112 is a deficient number, since it is larger than the sum of its proper divisors (19689676573456).

20002211122112 is an equidigital number, since it uses as much as digits as its factorization.

20002211122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312534548795 (or 312534548785 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20002211122112 its reverse (21122111220002), we get a palindrome (41124322342114).

The spelling of 20002211122112 in words is "twenty trillion, two billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twelve".