102211110120212 has 24 divisors (see below), whose sum is σ = 185070582013800. Its totient is φ = 49334433878016.

The previous prime is 102211110120187. The next prime is 102211110120253. The reversal of 102211110120212 is 212021011112201.

It can be written as a sum of positive squares in 4 ways, for example, as 22585280656 + 102188524839556 = 150284^2 + 10108834^2 .

It is a super-2 number, since 2×102211110120212² (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 7 ways as a sum of consecutive naturals, for example, 78464273 + ... + 79756280.

It is an arithmetic number, because the mean of its divisors is an integer number (7711274250575).

Almost surely, 2^{102211110120212} is an apocalyptic number.

It is an amenable number.

102211110120212 is a deficient number, since it is larger than the sum of its proper divisors (82859471893588).

102211110120212 is a wasteful number, since it uses less digits than its factorization.

102211110120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158226155 (or 158226153 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102211110120212 its reverse (212021011112201), we get a palindrome (314232121232413).

The spelling of 102211110120212 in words is "one hundred two trillion, two hundred eleven billion, one hundred ten million, one hundred twenty thousand, two hundred twelve".