10020111110220 has 24 divisors (see below), whose sum is σ = 28056311108784. Its totient is φ = 2672029629376.

The previous prime is 10020111110209. The next prime is 10020111110227. The reversal of 10020111110220 is 2201111102001.

It is a super-2 number, since 2×10020111110220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10020111110196 and 10020111110205.

It is not an unprimeable number, because it can be changed into a prime (10020111110227) 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, 83500925859 + ... + 83500925978.

It is an arithmetic number, because the mean of its divisors is an integer number (1169012962866).

Almost surely, 2^{10020111110220} is an apocalyptic number.

10020111110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020111110220 is an abundant number, since it is smaller than the sum of its proper divisors (18036199998564).

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

10020111110220 is a wasteful number, since it uses less digits than its factorization.

10020111110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167001851849 (or 167001851847 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10020111110220 its reverse (2201111102001), we get a palindrome (12221222212221).

The spelling of 10020111110220 in words is "ten trillion, twenty billion, one hundred eleven million, one hundred ten thousand, two hundred twenty".