101212222102120 has 32 divisors (see below), whose sum is σ = 227739797034120. Its totient is φ = 40482702653440.

The previous prime is 101212222102109. The next prime is 101212222102141. The reversal of 101212222102120 is 21201222212101.

It can be written as a sum of positive squares in 4 ways, for example, as 101190039574276 + 22182527844 = 10059326^2 + 148938^2 .

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, 67568257 + ... + 69049936.

Almost surely, 2^{101212222102120} is an apocalyptic number.

101212222102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212222102120 is an abundant number, since it is smaller than the sum of its proper divisors (126527574932000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212222102120 is a wasteful number, since it uses less digits than its factorization.

101212222102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136636725 (or 136636721 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101212222102120 its reverse (21201222212101), we get a palindrome (122413444314221).

The spelling of 101212222102120 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty".