222120200121019 has 2 divisors, whose sum is σ = 222120200121020. Its totient is φ = 222120200121018.

The previous prime is 222120200120989. The next prime is 222120200121059. The reversal of 222120200121019 is 910121002021222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222120200121019 - 2²⁷ = 222120065903291 is a prime.

It is a super-2 number, since 2×222120200121019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222120200120984 and 222120200121002.

It is not a weakly prime, because it can be changed into another prime (222120200121059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060100060509 + 111060100060510.

It is an arithmetic number, because the mean of its divisors is an integer number (111060100060510).

Almost surely, 2^{222120200121019} is an apocalyptic number.

222120200121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120200121019 is an equidigital number, since it uses as much as digits as its factorization.

222120200121019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 222120200121019 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-one thousand, nineteen".