10222221120 has 56 divisors (see below), whose sum is σ = 32455555104. Its totient is φ = 2725925376.

The previous prime is 10222221109. The next prime is 10222221137. The reversal of 10222221120 is 2112222201.

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 10222221120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5323114 + ... + 5325033.

It is an arithmetic number, because the mean of its divisors is an integer number (579563484).

Almost surely, 2^10222221120 is an apocalyptic number.

10222221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222221120 is an abundant number, since it is smaller than the sum of its proper divisors (22233333984).

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

10222221120 is a wasteful number, since it uses less digits than its factorization.

10222221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10648167 (or 10648157 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222221120 its reverse (2112222201), we get a palindrome (12334443321).

The spelling of 10222221120 in words is "ten billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".