102212022221999 has 4 divisors (see below), whose sum is σ = 103443492369336. Its totient is φ = 100980552074664.

The previous prime is 102212022221983. The next prime is 102212022222043. The reversal of 102212022221999 is 999122220212201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102212022221999 - 2⁴ = 102212022221983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212022221399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615735073544 + ... + 615735073709.

It is an arithmetic number, because the mean of its divisors is an integer number (25860873092334).

Almost surely, 2^{102212022221999} is an apocalyptic number.

102212022221999 is a deficient number, since it is larger than the sum of its proper divisors (1231470147337).

102212022221999 is an equidigital number, since it uses as much as digits as its factorization.

102212022221999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231470147336.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 102212022221999 in words is "one hundred two trillion, two hundred twelve billion, twenty-two million, two hundred twenty-one thousand, nine hundred ninety-nine".