22101020102222 has 4 divisors (see below), whose sum is σ = 33151530153336. Its totient is φ = 11050510051110.

The previous prime is 22101020102179. The next prime is 22101020102279. The reversal of 22101020102222 is 22220102010122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22101020102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525255025554 + ... + 5525255025557.

It is an arithmetic number, because the mean of its divisors is an integer number (8287882538334).

Almost surely, 2^{22101020102222} is an apocalyptic number.

22101020102222 is a deficient number, since it is larger than the sum of its proper divisors (11050510051114).

22101020102222 is a wasteful number, since it uses less digits than its factorization.

22101020102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050510051113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22101020102222 its reverse (22220102010122), we get a palindrome (44321122112344).

The spelling of 22101020102222 in words is "twenty-two trillion, one hundred one billion, twenty million, one hundred two thousand, two hundred twenty-two".