101201002221220 has 96 divisors (see below), whose sum is σ = 245491951049856. Its totient is φ = 34633961932800.

The previous prime is 101201002221217. The next prime is 101201002221269. The reversal of 101201002221220 is 22122200102101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101201002221194 and 101201002221203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77944755 + ... + 79232485.

It is an arithmetic number, because the mean of its divisors is an integer number (2557207823436).

Almost surely, 2^{101201002221220} is an apocalyptic number.

101201002221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201002221220 is an abundant number, since it is smaller than the sum of its proper divisors (144290948828636).

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

101201002221220 is a wasteful number, since it uses less digits than its factorization.

101201002221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308781 (or 1308779 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101201002221220 its reverse (22122200102101), we get a palindrome (123323202323321).

The spelling of 101201002221220 in words is "one hundred one trillion, two hundred one billion, two million, two hundred twenty-one thousand, two hundred twenty".