102221329947464 has 64 divisors (see below), whose sum is σ = 236293177760640. Its totient is φ = 40371013002240.

The previous prime is 102221329947463. The next prime is 102221329947487. The reversal of 102221329947464 is 464749923122201.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (102221329947461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117961142 + ... + 118824549.

It is an arithmetic number, because the mean of its divisors is an integer number (3692080902510).

Almost surely, 2^{102221329947464} is an apocalyptic number.

102221329947464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102221329947464 is an abundant number, since it is smaller than the sum of its proper divisors (134071847813176).

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

102221329947464 is a wasteful number, since it uses less digits than its factorization.

102221329947464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236786310 (or 236786306 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 102221329947464 in words is "one hundred two trillion, two hundred twenty-one billion, three hundred twenty-nine million, nine hundred forty-seven thousand, four hundred sixty-four".