22102020210122 has 4 divisors (see below), whose sum is σ = 33153030315186. Its totient is φ = 11051010105060.

The previous prime is 22102020210103. The next prime is 22102020210157. The reversal of 22102020210122 is 22101202020122.

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., 21721369463161 + 380650746961 = 4660619^2 + 616969^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22102020210122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525505052529 + ... + 5525505052532.

Almost surely, 2^{22102020210122} is an apocalyptic number.

22102020210122 is a deficient number, since it is larger than the sum of its proper divisors (11051010105064).

22102020210122 is a wasteful number, since it uses less digits than its factorization.

22102020210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051010105063.

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

Adding to 22102020210122 its reverse (22101202020122), we get a palindrome (44203222230244).

The spelling of 22102020210122 in words is "twenty-two trillion, one hundred two billion, twenty million, two hundred ten thousand, one hundred twenty-two".