102244121213 has 32 divisors (see below), whose sum is σ = 113731188480. Its totient is φ = 91335467520.

The previous prime is 102244121209. The next prime is 102244121263. The reversal of 102244121213 is 312121442201.

It is a cyclic number.

It is not a de Polignac number, because 102244121213 - 2² = 102244121209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102244121263) 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, 13663433 + ... + 13670913.

It is an arithmetic number, because the mean of its divisors is an integer number (3554099640).

Almost surely, 2^102244121213 is an apocalyptic number.

102244121213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102244121213 is a deficient number, since it is larger than the sum of its proper divisors (11487067267).

102244121213 is a wasteful number, since it uses less digits than its factorization.

102244121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 102244121213 its reverse (312121442201), we get a palindrome (414365563414).

The spelling of 102244121213 in words is "one hundred two billion, two hundred forty-four million, one hundred twenty-one thousand, two hundred thirteen".