122101122222021 has 8 divisors (see below), whose sum is σ = 163450107836064. Its totient is φ = 81076442378000.

The previous prime is 122101122222011. The next prime is 122101122222049. The reversal of 122101122222021 is 120222221101221.

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 122101122222021 - 2⁹ = 122101122221509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101122222011) 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, 81076441626 + ... + 81076443131.

It is an arithmetic number, because the mean of its divisors is an integer number (20431263479508).

Almost surely, 2^{122101122222021} is an apocalyptic number.

It is an amenable number.

122101122222021 is a deficient number, since it is larger than the sum of its proper divisors (41348985614043).

122101122222021 is a wasteful number, since it uses less digits than its factorization.

122101122222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162152885011.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122101122222021 its reverse (120222221101221), we get a palindrome (242323343323242).

The spelling of 122101122222021 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-one".