10100101212220 has 12 divisors (see below), whose sum is σ = 21210212545704. Its totient is φ = 4040040484880.

The previous prime is 10100101212203. The next prime is 10100101212293. The reversal of 10100101212220 is 2221210100101.

It is a self number, because there is not a number n which added to its sum of digits gives 10100101212220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252502530286 + ... + 252502530325.

It is an arithmetic number, because the mean of its divisors is an integer number (1767517712142).

Almost surely, 2^{10100101212220} is an apocalyptic number.

10100101212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100101212220 is an abundant number, since it is smaller than the sum of its proper divisors (11110111333484).

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

10100101212220 is a wasteful number, since it uses less digits than its factorization.

10100101212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505005060620 (or 505005060618 counting only the distinct ones).

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

Adding to 10100101212220 its reverse (2221210100101), we get a palindrome (12321311312321).

The spelling of 10100101212220 in words is "ten trillion, one hundred billion, one hundred one million, two hundred twelve thousand, two hundred twenty".