10102110111220 has 48 divisors (see below), whose sum is σ = 21268481730048. Its totient is φ = 4030553157120.

The previous prime is 10102110111161. The next prime is 10102110111257. The reversal of 10102110111220 is 2211101120101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102110111220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36850297 + ... + 37123423.

It is an arithmetic number, because the mean of its divisors is an integer number (443093369376).

Almost surely, 2^{10102110111220} is an apocalyptic number.

10102110111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102110111220 is an abundant number, since it is smaller than the sum of its proper divisors (11166371618828).

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

10102110111220 is a wasteful number, since it uses less digits than its factorization.

10102110111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277840 (or 277838 counting only the distinct ones).

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

Adding to 10102110111220 its reverse (2211101120101), we get a palindrome (12313211231321).

The spelling of 10102110111220 in words is "ten trillion, one hundred two billion, one hundred ten million, one hundred eleven thousand, two hundred twenty".