10201222111020 has 24 divisors (see below), whose sum is σ = 28563421911024. Its totient is φ = 2720325896256.

The previous prime is 10201222110913. The next prime is 10201222111027. The reversal of 10201222111020 is 2011122210201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10201222111027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85010184199 + ... + 85010184318.

It is an arithmetic number, because the mean of its divisors is an integer number (1190142579626).

Almost surely, 2^{10201222111020} is an apocalyptic number.

10201222111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201222111020 is an abundant number, since it is smaller than the sum of its proper divisors (18362199800004).

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

10201222111020 is a wasteful number, since it uses less digits than its factorization.

10201222111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170020368529 (or 170020368527 counting only the distinct ones).

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

Adding to 10201222111020 its reverse (2011122210201), we get a palindrome (12212344321221).

The spelling of 10201222111020 in words is "ten trillion, two hundred one billion, two hundred twenty-two million, one hundred eleven thousand, twenty".