101255043221 has 16 divisors (see below), whose sum is σ = 109730136384. Its totient is φ = 93060866304.

The previous prime is 101255043203. The next prime is 101255043229. The reversal of 101255043221 is 122340552101.

It is a cyclic number.

It is not a de Polignac number, because 101255043221 - 2¹⁴ = 101255026837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101255043229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697646 + ... + 3724928.

It is an arithmetic number, because the mean of its divisors is an integer number (6858133524).

Almost surely, 2^101255043221 is an apocalyptic number.

It is an amenable number.

101255043221 is a deficient number, since it is larger than the sum of its proper divisors (8475093163).

101255043221 is a wasteful number, since it uses less digits than its factorization.

101255043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32420.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 101255043221 its reverse (122340552101), we get a palindrome (223595595322).

The spelling of 101255043221 in words is "one hundred one billion, two hundred fifty-five million, forty-three thousand, two hundred twenty-one".