102222202020212 has 12 divisors (see below), whose sum is σ = 178938808560036. Its totient is φ = 51096828145920.

The previous prime is 102222202020203. The next prime is 102222202020223. The reversal of 102222202020212 is 212020202222201.

It can be written as a sum of positive squares in 2 ways, for example, as 50665838584036 + 51556363436176 = 7117994^2 + 7180276^2 .

It is a super-2 number, since 2×102222202020212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568199933 + ... + 3568228580.

It is an arithmetic number, because the mean of its divisors is an integer number (14911567380003).

Almost surely, 2^{102222202020212} is an apocalyptic number.

It is an amenable number.

102222202020212 is a deficient number, since it is larger than the sum of its proper divisors (76716606539824).

102222202020212 is a wasteful number, since it uses less digits than its factorization.

102222202020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136432098 (or 7136432096 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102222202020212 its reverse (212020202222201), we get a palindrome (314242404242413).

The spelling of 102222202020212 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred two million, twenty thousand, two hundred twelve".