221002020111259 has 2 divisors, whose sum is σ = 221002020111260. Its totient is φ = 221002020111258.

The previous prime is 221002020111251. The next prime is 221002020111269. The reversal of 221002020111259 is 952111020200122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221002020111259 - 2³ = 221002020111251 is a prime.

It is not a weakly prime, because it can be changed into another prime (221002020111251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501010055629 + 110501010055630.

It is an arithmetic number, because the mean of its divisors is an integer number (110501010055630).

Almost surely, 2^{221002020111259} is an apocalyptic number.

221002020111259 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002020111259 is an equidigital number, since it uses as much as digits as its factorization.

221002020111259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 221002020111259 in words is "two hundred twenty-one trillion, two billion, twenty million, one hundred eleven thousand, two hundred fifty-nine".