10111111102220 has 12 divisors (see below), whose sum is σ = 21233333314704. Its totient is φ = 4044444440880.

The previous prime is 10111111102097. The next prime is 10111111102231. The reversal of 10111111102220 is 2220111111101.

It is a junction number, because it is equal to n+sod(n) for n = 10111111102195 and 10111111102204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252777777536 + ... + 252777777575.

It is an arithmetic number, because the mean of its divisors is an integer number (1769444442892).

Almost surely, 2^{10111111102220} is an apocalyptic number.

10111111102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111111102220 is an abundant number, since it is smaller than the sum of its proper divisors (11122222212484).

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

10111111102220 is a wasteful number, since it uses less digits than its factorization.

10111111102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505555555120 (or 505555555118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10111111102220 its reverse (2220111111101), we get a palindrome (12331222213321).

The spelling of 10111111102220 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, one hundred two thousand, two hundred twenty".