22102100221022 has 4 divisors (see below), whose sum is σ = 33153150331536. Its totient is φ = 11051050110510.

The previous prime is 22102100221007. The next prime is 22102100221031. The reversal of 22102100221022 is 22012200120122.

It is a happy number.

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

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, 5525525055254 + ... + 5525525055257.

It is an arithmetic number, because the mean of its divisors is an integer number (8288287582884).

Almost surely, 2^{22102100221022} is an apocalyptic number.

22102100221022 is a deficient number, since it is larger than the sum of its proper divisors (11051050110514).

22102100221022 is a wasteful number, since it uses less digits than its factorization.

22102100221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051050110513.

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

Adding to 22102100221022 its reverse (22012200120122), we get a palindrome (44114300341144).

The spelling of 22102100221022 in words is "twenty-two trillion, one hundred two billion, one hundred million, two hundred twenty-one thousand, twenty-two".