101111102010220 has 48 divisors (see below), whose sum is σ = 213886949290560. Its totient is φ = 40149150177024.

The previous prime is 101111102010209. The next prime is 101111102010227. The reversal of 101111102010220 is 22010201111101.

It is a happy number.

It is a super-2 number, since 2×101111102010220² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101111102010220.

It is not an unprimeable number, because it can be changed into a prime (101111102010227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17466855 + ... + 22523614.

It is an arithmetic number, because the mean of its divisors is an integer number (4455978110220).

Almost surely, 2^{101111102010220} is an apocalyptic number.

101111102010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111102010220 is an abundant number, since it is smaller than the sum of its proper divisors (112775847280340).

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

101111102010220 is a wasteful number, since it uses less digits than its factorization.

101111102010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39991402 (or 39991400 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101111102010220 its reverse (22010201111101), we get a palindrome (123121303121321).

The spelling of 101111102010220 in words is "one hundred one trillion, one hundred eleven billion, one hundred two million, ten thousand, two hundred twenty".