101021113221 has 32 divisors (see below), whose sum is σ = 155985543168. Its totient is φ = 56962120320.

The previous prime is 101021113211. The next prime is 101021113241. The reversal of 101021113221 is 122311120101.

It is not a de Polignac number, because 101021113221 - 2¹⁵ = 101021080453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101021113221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021113211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524700 + ... + 690906.

It is an arithmetic number, because the mean of its divisors is an integer number (4874548224).

Almost surely, 2^101021113221 is an apocalyptic number.

It is an amenable number.

101021113221 is a deficient number, since it is larger than the sum of its proper divisors (54964429947).

101021113221 is a wasteful number, since it uses less digits than its factorization.

101021113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166601.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101021113221 its reverse (122311120101), we get a palindrome (223332233322).

The spelling of 101021113221 in words is "one hundred one billion, twenty-one million, one hundred thirteen thousand, two hundred twenty-one".