101012221010220 has 96 divisors (see below), whose sum is σ = 304592660064000. Its totient is φ = 24864386476800.

The previous prime is 101012221010213. The next prime is 101012221010227. The reversal of 101012221010220 is 22010122210101.

It is an interprime number because it is at equal distance from previous prime (101012221010213) and next prime (101012221010227).

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 101012221010220.

It is not an unprimeable number, because it can be changed into a prime (101012221010227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160405531 + ... + 161034029.

It is an arithmetic number, because the mean of its divisors is an integer number (3172840209000).

Almost surely, 2^{101012221010220} is an apocalyptic number.

101012221010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012221010220 is an abundant number, since it is smaller than the sum of its proper divisors (203580439053780).

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

101012221010220 is a wasteful number, since it uses less digits than its factorization.

101012221010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834575 (or 834573 counting only the distinct ones).

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

Adding to 101012221010220 its reverse (22010122210101), we get a palindrome (123022343220321).

The spelling of 101012221010220 in words is "one hundred one trillion, twelve billion, two hundred twenty-one million, ten thousand, two hundred twenty".