22111002212 has 48 divisors (see below), whose sum is σ = 42007896000. Its totient is φ = 10122702720.

The previous prime is 22111002197. The next prime is 22111002227. The reversal of 22111002212 is 21220011122.

It is an interprime number because it is at equal distance from previous prime (22111002197) and next prime (22111002227).

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, 7521839 + ... + 7524777.

It is an arithmetic number, because the mean of its divisors is an integer number (875164500).

Almost surely, 2^22111002212 is an apocalyptic number.

It is an amenable number.

22111002212 is a deficient number, since it is larger than the sum of its proper divisors (19896893788).

22111002212 is a wasteful number, since it uses less digits than its factorization.

22111002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4074 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22111002212 its reverse (21220011122), we get a palindrome (43331013334).

The spelling of 22111002212 in words is "twenty-two billion, one hundred eleven million, two thousand, two hundred twelve".