101212110102220 has 48 divisors (see below), whose sum is σ = 228945868992288. Its totient is φ = 37362333150720.

The previous prime is 101212110102197. The next prime is 101212110102343. The reversal of 101212110102220 is 22201011212101.

It is a junction number, because it is equal to n+sod(n) for n = 101212110102194 and 101212110102203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42014041 + ... + 44357680.

It is an arithmetic number, because the mean of its divisors is an integer number (4769705604006).

Almost surely, 2^{101212110102220} is an apocalyptic number.

101212110102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212110102220 is an abundant number, since it is smaller than the sum of its proper divisors (127733758890068).

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

101212110102220 is a wasteful number, since it uses less digits than its factorization.

101212110102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86376250 (or 86376248 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101212110102220 its reverse (22201011212101), we get a palindrome (123413121314321).

The spelling of 101212110102220 in words is "one hundred one trillion, two hundred twelve billion, one hundred ten million, one hundred two thousand, two hundred twenty".