10010100101220 has 144 divisors (see below), whose sum is σ = 31196953307520. Its totient is φ = 2597063620608.

The previous prime is 10010100101207. The next prime is 10010100101227. The reversal of 10010100101220 is 2210100101001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10010100101227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3828472 + ... + 5888751.

It is an arithmetic number, because the mean of its divisors is an integer number (216645509080).

Almost surely, 2^{10010100101220} is an apocalyptic number.

10010100101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010100101220 is an abundant number, since it is smaller than the sum of its proper divisors (21186853206300).

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

10010100101220 is a wasteful number, since it uses less digits than its factorization.

10010100101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717394 (or 9717389 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10010100101220 its reverse (2210100101001), we get a palindrome (12220200202221).

The spelling of 10010100101220 in words is "ten trillion, ten billion, one hundred million, one hundred one thousand, two hundred twenty".