211122202020012 has 24 divisors (see below), whose sum is σ = 547353857089200. Its totient is φ = 70374067339968.

The previous prime is 211122202020007. The next prime is 211122202020031. The reversal of 211122202020012 is 210020202221112.

It is a happy number.

211122202020012 is a `hidden beast` number, since 211 + 1 + 2 + 220 + 20 + 200 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 977417601837 + ... + 977417602052.

It is an arithmetic number, because the mean of its divisors is an integer number (22806410712050).

Almost surely, 2^{211122202020012} is an apocalyptic number.

It is an amenable number.

211122202020012 is an abundant number, since it is smaller than the sum of its proper divisors (336231655069188).

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

211122202020012 is a wasteful number, since it uses less digits than its factorization.

211122202020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954835203902 (or 1954835203894 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211122202020012 its reverse (210020202221112), we get a palindrome (421142404241124).

The spelling of 211122202020012 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred two million, twenty thousand, twelve".