222121502119998 has 48 divisors (see below), whose sum is σ = 521715846122016. Its totient is φ = 67892461156800.

The previous prime is 222121502119987. The next prime is 222121502120009. The reversal of 222121502119998 is 899911205121222.

It is a happy number.

222121502119998 is a `hidden beast` number, since 2 + 2 + 2 + 12 + 1 + 502 + 119 + 9 + 9 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (222121502119987) and next prime (222121502120009).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3143134165 + ... + 3143204832.

It is an arithmetic number, because the mean of its divisors is an integer number (10869080127542).

Almost surely, 2^{222121502119998} is an apocalyptic number.

222121502119998 is an abundant number, since it is smaller than the sum of its proper divisors (299594344002018).

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

222121502119998 is a wasteful number, since it uses less digits than its factorization.

222121502119998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286339169 (or 6286339166 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 222121502119998 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, five hundred two million, one hundred nineteen thousand, nine hundred ninety-eight".