222100021102049 has 2 divisors, whose sum is σ = 222100021102050. Its totient is φ = 222100021102048.

The previous prime is 222100021101949. The next prime is 222100021102061. The reversal of 222100021102049 is 940201120001222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215553254519824 + 6546766582225 = 14681732^2 + 2558665^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100021102049 - 2⁸ = 222100021101793 is a prime.

It is a super-2 number, since 2×222100021102049² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222100021102649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050010551024 + 111050010551025.

It is an arithmetic number, because the mean of its divisors is an integer number (111050010551025).

Almost surely, 2^{222100021102049} is an apocalyptic number.

It is an amenable number.

222100021102049 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100021102049 is an equidigital number, since it uses as much as digits as its factorization.

222100021102049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 222100021102049 in words is "two hundred twenty-two trillion, one hundred billion, twenty-one million, one hundred two thousand, forty-nine".