101274221 has 4 divisors (see below), whose sum is σ = 105677472. Its totient is φ = 96870972.

The previous prime is 101274211. The next prime is 101274281. The reversal of 101274221 is 122472101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101274221 - 2⁶ = 101274157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101274193 and 101274202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101274211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201591 + ... + 2201636.

It is an arithmetic number, because the mean of its divisors is an integer number (26419368).

Almost surely, 2^101274221 is an apocalyptic number.

It is an amenable number.

101274221 is a deficient number, since it is larger than the sum of its proper divisors (4403251).

101274221 is an equidigital number, since it uses as much as digits as its factorization.

101274221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403250.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 101274221 is about 10063.5093779456. The cubic root of 101274221 is about 466.1220384995.

The spelling of 101274221 in words is "one hundred one million, two hundred seventy-four thousand, two hundred twenty-one".