110251421 has 6 divisors (see below), whose sum is σ = 128251710. Its totient is φ = 94501176.

The previous prime is 110251411. The next prime is 110251457. The reversal of 110251421 is 124152011.

It can be written as a sum of positive squares in only one way, i.e., 108784900 + 1466521 = 10430^2 + 1211^2 .

It is not a de Polignac number, because 110251421 - 2¹⁰ = 110250397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110251421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110251411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1124966 + ... + 1125063.

It is an arithmetic number, because the mean of its divisors is an integer number (21375285).

Almost surely, 2^110251421 is an apocalyptic number.

It is an amenable number.

110251421 is a deficient number, since it is larger than the sum of its proper divisors (18000289).

110251421 is an equidigital number, since it uses as much as digits as its factorization.

110251421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250043 (or 2250036 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 110251421 is about 10500.0676664486. The cubic root of 110251421 is about 479.5067575015.

The spelling of 110251421 in words is "one hundred ten million, two hundred fifty-one thousand, four hundred twenty-one".