22112221221102 has 32 divisors (see below), whose sum is σ = 44613185702400. Its totient is φ = 7306195749728.

The previous prime is 22112221221049. The next prime is 22112221221143. The reversal of 22112221221102 is 20112212221122.

It is a super-3 number, since 3×22112221221102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 30375777 + ... + 31095212.

It is an arithmetic number, because the mean of its divisors is an integer number (1394162053200).

Almost surely, 2^{22112221221102} is an apocalyptic number.

22112221221102 is an abundant number, since it is smaller than the sum of its proper divisors (22500964481298).

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

22112221221102 is a wasteful number, since it uses less digits than its factorization.

22112221221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61471520.

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

Adding to 22112221221102 its reverse (20112212221122), we get a palindrome (42224433442224).

The spelling of 22112221221102 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred two".