102220311120 has 160 divisors (see below), whose sum is σ = 325818146304. Its totient is φ = 26495078400.

The previous prime is 102220311103. The next prime is 102220311133. The reversal of 102220311120 is 21113022201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102220311120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2647474 + ... + 2685806.

Almost surely, 2^102220311120 is an apocalyptic number.

102220311120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220311120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162909073152).

102220311120 is an abundant number, since it is smaller than the sum of its proper divisors (223597835184).

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

102220311120 is a wasteful number, since it uses less digits than its factorization.

102220311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38661 (or 38655 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102220311120 its reverse (21113022201), we get a palindrome (123333333321).

The spelling of 102220311120 in words is "one hundred two billion, two hundred twenty million, three hundred eleven thousand, one hundred twenty".