10021212101220 has 24 divisors (see below), whose sum is σ = 28059393883584. Its totient is φ = 2672323226976.

The previous prime is 10021212101167. The next prime is 10021212101261. The reversal of 10021212101220 is 2210121212001.

10021212101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10021212101220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83510100784 + ... + 83510100903.

It is an arithmetic number, because the mean of its divisors is an integer number (1169141411816).

Almost surely, 2^{10021212101220} is an apocalyptic number.

10021212101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021212101220 is an abundant number, since it is smaller than the sum of its proper divisors (18038181782364).

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

10021212101220 is a wasteful number, since it uses less digits than its factorization.

10021212101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167020201699 (or 167020201697 counting only the distinct ones).

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

Adding to 10021212101220 its reverse (2210121212001), we get a palindrome (12231333313221).

The spelling of 10021212101220 in words is "ten trillion, twenty-one billion, two hundred twelve million, one hundred one thousand, two hundred twenty".