201111122002212 has 30 divisors (see below), whose sum is σ = 525744198568358. Its totient is φ = 67037040667296.

The previous prime is 201111122002211. The next prime is 201111122002237. The reversal of 201111122002212 is 212200221111102.

201111122002212 is a `hidden beast` number, since 20 + 111 + 112 + 200 + 221 + 2 = 666.

201111122002212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121611358284516 + 79499763717696 = 11027754^2 + 8916264^2 .

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

It is not an unprimeable number, because it can be changed into a prime (201111122002211) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 310356669433 + ... + 310356670080.

Almost surely, 2^{201111122002212} is an apocalyptic number.

It is an amenable number.

201111122002212 is an abundant number, since it is smaller than the sum of its proper divisors (324633076566146).

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

201111122002212 is a wasteful number, since it uses less digits than its factorization.

201111122002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620713339529 (or 620713339518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201111122002212 its reverse (212200221111102), we get a palindrome (413311343113314).

The spelling of 201111122002212 in words is "two hundred one trillion, one hundred eleven billion, one hundred twenty-two million, two thousand, two hundred twelve".