20111000002212 has 48 divisors (see below), whose sum is σ = 55961043489792. Its totient is φ = 5496173913120.

The previous prime is 20111000002187. The next prime is 20111000002231. The reversal of 20111000002212 is 21220000011102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5204708214 + ... + 5204712077.

It is an arithmetic number, because the mean of its divisors is an integer number (1165855072704).

Almost surely, 2^{20111000002212} is an apocalyptic number.

It is an amenable number.

20111000002212 is an abundant number, since it is smaller than the sum of its proper divisors (35850043487580).

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

20111000002212 is a wasteful number, since it uses less digits than its factorization.

20111000002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10409420328 (or 10409420326 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20111000002212 its reverse (21220000011102), we get a palindrome (41331000013314).

The spelling of 20111000002212 in words is "twenty trillion, one hundred eleven billion, two thousand, two hundred twelve".