222010121011951 has 2 divisors, whose sum is σ = 222010121011952. Its totient is φ = 222010121011950.

The previous prime is 222010121011949. The next prime is 222010121012023. The reversal of 222010121011951 is 159110121010222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222010121011951 - 2¹ = 222010121011949 is a prime.

It is a super-2 number, since 2×222010121011951² (a number of 29 digits) contains 22 as substring.

Together with 222010121011949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222010121015951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005060505975 + 111005060505976.

It is an arithmetic number, because the mean of its divisors is an integer number (111005060505976).

Almost surely, 2^{222010121011951} is an apocalyptic number.

222010121011951 is a deficient number, since it is larger than the sum of its proper divisors (1).

222010121011951 is an equidigital number, since it uses as much as digits as its factorization.

222010121011951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 222010121011951 in words is "two hundred twenty-two trillion, ten billion, one hundred twenty-one million, eleven thousand, nine hundred fifty-one".