221430627653311 has 2 divisors, whose sum is σ = 221430627653312. Its totient is φ = 221430627653310.

The previous prime is 221430627653273. The next prime is 221430627653351. The reversal of 221430627653311 is 113356726034122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221430627653311 - 2¹³ = 221430627645119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221430627653351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110715313826655 + 110715313826656.

It is an arithmetic number, because the mean of its divisors is an integer number (110715313826656).

Almost surely, 2^{221430627653311} is an apocalyptic number.

221430627653311 is a deficient number, since it is larger than the sum of its proper divisors (1).

221430627653311 is an equidigital number, since it uses as much as digits as its factorization.

221430627653311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 221430627653311 in words is "two hundred twenty-one trillion, four hundred thirty billion, six hundred twenty-seven million, six hundred fifty-three thousand, three hundred eleven".