10213321122 has 48 divisors (see below), whose sum is σ = 22742623800. Its totient is φ = 3310142976.

The previous prime is 10213321121. The next prime is 10213321133. The reversal of 10213321122 is 22112331201.

10213321122 is a `hidden beast` number, since 10 + 213 + 321 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7301531601 + 2911789521 = 85449^2 + 53961^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10213321095 and 10213321104.

It is not an unprimeable number, because it can be changed into a prime (10213321121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149754 + ... + 1158602.

Almost surely, 2^10213321122 is an apocalyptic number.

10213321122 is an abundant number, since it is smaller than the sum of its proper divisors (12529302678).

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

10213321122 is a wasteful number, since it uses less digits than its factorization.

10213321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627 (or 10624 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10213321122 its reverse (22112331201), we get a palindrome (32325652323).

The spelling of 10213321122 in words is "ten billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred twenty-two".