102022212122 has 4 divisors (see below), whose sum is σ = 153033318186. Its totient is φ = 51011106060.

The previous prime is 102022212091. The next prime is 102022212161. The reversal of 102022212122 is 221212220201.

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., 82695929761 + 19326282361 = 287569^2 + 139019^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102022212122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505553029 + ... + 25505553032.

Almost surely, 2^102022212122 is an apocalyptic number.

102022212122 is a deficient number, since it is larger than the sum of its proper divisors (51011106064).

102022212122 is an equidigital number, since it uses as much as digits as its factorization.

102022212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51011106063.

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

Adding to 102022212122 its reverse (221212220201), we get a palindrome (323234432323).

The spelling of 102022212122 in words is "one hundred two billion, twenty-two million, two hundred twelve thousand, one hundred twenty-two".