10101202101220 has 12 divisors (see below), whose sum is σ = 21212524412604. Its totient is φ = 4040480840480.

The previous prime is 10101202101197. The next prime is 10101202101229. The reversal of 10101202101220 is 2210120210101.

10101202101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4224611608996 + 5876590492224 = 2055386^2 + 2424168^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10101202101220.

It is not an unprimeable number, because it can be changed into a prime (10101202101229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252530052511 + ... + 252530052550.

It is an arithmetic number, because the mean of its divisors is an integer number (1767710367717).

Almost surely, 2^{10101202101220} is an apocalyptic number.

10101202101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101202101220 is an abundant number, since it is smaller than the sum of its proper divisors (11111322311384).

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

10101202101220 is a wasteful number, since it uses less digits than its factorization.

10101202101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505060105070 (or 505060105068 counting only the distinct ones).

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

Adding to 10101202101220 its reverse (2210120210101), we get a palindrome (12311322311321).

The spelling of 10101202101220 in words is "ten trillion, one hundred one billion, two hundred two million, one hundred one thousand, two hundred twenty".