101022122221021 has 8 divisors (see below), whose sum is σ = 101469999277440. Its totient is φ = 100574270127168.

The previous prime is 101022122220961. The next prime is 101022122221063. The reversal of 101022122221021 is 120122221220101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101022122221021 - 2¹³ = 101022122212829 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 101022122221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022122221091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894645 + ... + 14339941.

It is an arithmetic number, because the mean of its divisors is an integer number (12683749909680).

Almost surely, 2^{101022122221021} is an apocalyptic number.

It is an amenable number.

101022122221021 is a deficient number, since it is larger than the sum of its proper divisors (447877056419).

101022122221021 is a wasteful number, since it uses less digits than its factorization.

101022122221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481283.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101022122221021 its reverse (120122221220101), we get a palindrome (221144343441122).

The spelling of 101022122221021 in words is "one hundred one trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-one".