211122021022212 has 24 divisors (see below), whose sum is σ = 492694199804800. Its totient is φ = 70363128328416.

The previous prime is 211122021022163. The next prime is 211122021022249. The reversal of 211122021022212 is 212220120221112.

It is a super-2 number, since 2×211122021022212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359754012 + ... + 1359909267.

Almost surely, 2^{211122021022212} is an apocalyptic number.

It is an amenable number.

211122021022212 is an abundant number, since it is smaller than the sum of its proper divisors (281572178782588).

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

211122021022212 is a wasteful number, since it uses less digits than its factorization.

211122021022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719669755 (or 2719669753 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211122021022212 its reverse (212220120221112), we get a palindrome (423342141243324).

The spelling of 211122021022212 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-one million, twenty-two thousand, two hundred twelve".