951201220221211 has 2 divisors, whose sum is σ = 951201220221212. Its totient is φ = 951201220221210.

The previous prime is 951201220221169. The next prime is 951201220221283. The reversal of 951201220221211 is 112122022102159.

It is a weak prime.

It is an emirp because it is prime and its reverse (112122022102159) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 951201220221211 - 2¹⁷ = 951201220090139 is a prime.

It is a super-2 number, since 2×951201220221211² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (951291220221211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475600610110605 + 475600610110606.

It is an arithmetic number, because the mean of its divisors is an integer number (475600610110606).

Almost surely, 2^{951201220221211} is an apocalyptic number.

951201220221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

951201220221211 is an equidigital number, since it uses as much as digits as its factorization.

951201220221211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 951201220221211 in words is "nine hundred fifty-one trillion, two hundred one billion, two hundred twenty million, two hundred twenty-one thousand, two hundred eleven".