101102021220210 has 96 divisors (see below), whose sum is σ = 256128099416640. Its totient is φ = 25537541798016.

The previous prime is 101102021220139. The next prime is 101102021220323. The reversal of 101102021220210 is 12022120201101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101102021220210.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68352844 + ... + 69816296.

It is an arithmetic number, because the mean of its divisors is an integer number (2668001035590).

Almost surely, 2^{101102021220210} is an apocalyptic number.

101102021220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101102021220210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128064049708320).

101102021220210 is an abundant number, since it is smaller than the sum of its proper divisors (155026078196430).

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

101102021220210 is a wasteful number, since it uses less digits than its factorization.

101102021220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469880 (or 1469861 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101102021220210 its reverse (12022120201101), we get a palindrome (113124141421311).

The spelling of 101102021220210 in words is "one hundred one trillion, one hundred two billion, twenty-one million, two hundred twenty thousand, two hundred ten".