101201010102220 has 72 divisors (see below), whose sum is σ = 250198160116464. Its totient is φ = 34279447112064.

The previous prime is 101201010102187. The next prime is 101201010102239. The reversal of 101201010102220 is 22201010102101.

It is a self number, because there is not a number n which added to its sum of digits gives 101201010102220.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622005027 + ... + 622167706.

It is an arithmetic number, because the mean of its divisors is an integer number (3474974446062).

Almost surely, 2^{101201010102220} is an apocalyptic number.

101201010102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201010102220 is an abundant number, since it is smaller than the sum of its proper divisors (148997150014244).

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

101201010102220 is a wasteful number, since it uses less digits than its factorization.

101201010102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244172839 (or 1244172830 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101201010102220 its reverse (22201010102101), we get a palindrome (123402020204321).

The spelling of 101201010102220 in words is "one hundred one trillion, two hundred one billion, ten million, one hundred two thousand, two hundred twenty".