102215532243 has 32 divisors (see below), whose sum is σ = 154628888832. Its totient is φ = 59516150400.

The previous prime is 102215532241. The next prime is 102215532257. The reversal of 102215532243 is 342235512201.

It is not a de Polignac number, because 102215532243 - 2¹ = 102215532241 is a prime.

It is a super-2 number, since 2×102215532243² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102215532243.

It is not an unprimeable number, because it can be changed into a prime (102215532241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503880 + ... + 676997.

It is an arithmetic number, because the mean of its divisors is an integer number (4832152776).

Almost surely, 2^102215532243 is an apocalyptic number.

102215532243 is a deficient number, since it is larger than the sum of its proper divisors (52413356589).

102215532243 is a wasteful number, since it uses less digits than its factorization.

102215532243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180995.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 102215532243 in words is "one hundred two billion, two hundred fifteen million, five hundred thirty-two thousand, two hundred forty-three".