102222455257552 has 160 divisors (see below), whose sum is σ = 228805798920192. Its totient is φ = 43335538348032.

The previous prime is 102222455257537. The next prime is 102222455257631. The reversal of 102222455257552 is 255752554222201.

It is a junction number, because it is equal to n+sod(n) for n = 102222455257496 and 102222455257505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40197582393 + ... + 40197584935.

Almost surely, 2^{102222455257552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222455257552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114402899460096).

102222455257552 is an abundant number, since it is smaller than the sum of its proper divisors (126583343662640).

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

102222455257552 is a wasteful number, since it uses less digits than its factorization.

102222455257552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345 (or 6339 counting only the distinct ones).

The product of its (nonzero) digits is 5600000, while the sum is 49.

The spelling of 102222455257552 in words is "one hundred two trillion, two hundred twenty-two billion, four hundred fifty-five million, two hundred fifty-seven thousand, five hundred fifty-two".