22102101022202 has 4 divisors (see below), whose sum is σ = 33153151533306. Its totient is φ = 11051050511100.

The previous prime is 22102101022201. The next prime is 22102101022217. The reversal of 22102101022202 is 20222010120122.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21477209191201 + 624891831001 = 4634351^2 + 790501^2 .

It is not an unprimeable number, because it can be changed into a prime (22102101022201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525525255549 + ... + 5525525255552.

Almost surely, 2^{22102101022202} is an apocalyptic number.

22102101022202 is a deficient number, since it is larger than the sum of its proper divisors (11051050511104).

22102101022202 is a wasteful number, since it uses less digits than its factorization.

22102101022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051050511103.

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

Adding to 22102101022202 its reverse (20222010120122), we get a palindrome (42324111142324).

The spelling of 22102101022202 in words is "twenty-two trillion, one hundred two billion, one hundred one million, twenty-two thousand, two hundred two".