222102021971 has 2 divisors, whose sum is σ = 222102021972. Its totient is φ = 222102021970.

The previous prime is 222102021949. The next prime is 222102022099. The reversal of 222102021971 is 179120201222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222102021971 - 2¹⁸ = 222101759827 is a prime.

It is not a weakly prime, because it can be changed into another prime (222102027971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051010985 + 111051010986.

It is an arithmetic number, because the mean of its divisors is an integer number (111051010986).

Almost surely, 2^222102021971 is an apocalyptic number.

222102021971 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102021971 is an equidigital number, since it uses as much as digits as its factorization.

222102021971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 222102021971 in words is "two hundred twenty-two billion, one hundred two million, twenty-one thousand, nine hundred seventy-one".