109213619522 has 90 divisors (see below), whose sum is σ = 202507199379. Its totient is φ = 44165709000.

The previous prime is 109213619483. The next prime is 109213619621. The reversal of 109213619522 is 225916312901.

It can be written as a sum of positive squares in only one way, i.e., 54606809761 + 54606809761 = 233681^2 + 233681^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=233681.

It is a super-2 number, since 2×109213619522² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109213619522.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 435113897 + ... + 435114147.

Almost surely, 2^109213619522 is an apocalyptic number.

109213619522 is a deficient number, since it is larger than the sum of its proper divisors (93293579857).

109213619522 is an frugal number, since it uses more digits than its factorization.

109213619522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 109213619522 in words is "one hundred nine billion, two hundred thirteen million, six hundred nineteen thousand, five hundred twenty-two".