221030013111287 has 2 divisors, whose sum is σ = 221030013111288. Its totient is φ = 221030013111286.

The previous prime is 221030013111277. The next prime is 221030013111301. The reversal of 221030013111287 is 782111310030122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221030013111287 - 2³² = 221025718143991 is a prime.

It is a super-3 number, since 3×221030013111287³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221030013111277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110515006555643 + 110515006555644.

It is an arithmetic number, because the mean of its divisors is an integer number (110515006555644).

Almost surely, 2^{221030013111287} is an apocalyptic number.

221030013111287 is a deficient number, since it is larger than the sum of its proper divisors (1).

221030013111287 is an equidigital number, since it uses as much as digits as its factorization.

221030013111287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 221030013111287 in words is "two hundred twenty-one trillion, thirty billion, thirteen million, one hundred eleven thousand, two hundred eighty-seven".