20022211112012 has 72 divisors (see below), whose sum is σ = 38507987733600. Its totient is φ = 9096538945536.

The previous prime is 20022211111993. The next prime is 20022211112027. The reversal of 20022211112012 is 21021111222002.

It is a super-2 number, since 2×20022211112012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618736289 + ... + 618768647.

Almost surely, 2^{20022211112012} is an apocalyptic number.

It is an amenable number.

20022211112012 is a deficient number, since it is larger than the sum of its proper divisors (18485776621588).

20022211112012 is a wasteful number, since it uses less digits than its factorization.

20022211112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50883 (or 50864 counting only the distinct ones).

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

Adding to 20022211112012 its reverse (21021111222002), we get a palindrome (41043322334014).

The spelling of 20022211112012 in words is "twenty trillion, twenty-two billion, two hundred eleven million, one hundred twelve thousand, twelve".