22111011122202 has 48 divisors (see below), whose sum is σ = 48585889834560. Its totient is φ = 7265938680000.

The previous prime is 22111011122117. The next prime is 22111011122257. The reversal of 22111011122202 is 20222111011122.

22111011122202 is a `hidden beast` number, since 221 + 110 + 1 + 112 + 220 + 2 = 666.

It is a super-4 number, since 4×22111011122202⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 23 ways as a sum of consecutive naturals, for example, 15161577 + ... + 16555827.

It is an arithmetic number, because the mean of its divisors is an integer number (1012206038220).

Almost surely, 2^{22111011122202} is an apocalyptic number.

22111011122202 is an abundant number, since it is smaller than the sum of its proper divisors (26474878712358).

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

22111011122202 is a wasteful number, since it uses less digits than its factorization.

22111011122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406739 (or 1406736 counting only the distinct ones).

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

Adding to 22111011122202 its reverse (20222111011122), we get a palindrome (42333122133324).

It can be divided in two parts, 22111011122 and 202, that multiplied together give a palindrome (4466424246644).

The spelling of 22111011122202 in words is "twenty-two trillion, one hundred eleven billion, eleven million, one hundred twenty-two thousand, two hundred two".