122101542221 has 8 divisors (see below), whose sum is σ = 129466102080. Its totient is φ = 114830798688.

The previous prime is 122101542193. The next prime is 122101542223. The reversal of 122101542221 is 122245101221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122101542221 is a prime.

It is a super-2 number, since 2×122101542221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101542223) 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, 23451401 + ... + 23456606.

It is an arithmetic number, because the mean of its divisors is an integer number (16183262760).

Almost surely, 2^122101542221 is an apocalyptic number.

It is an amenable number.

122101542221 is a deficient number, since it is larger than the sum of its proper divisors (7364559859).

122101542221 is a wasteful number, since it uses less digits than its factorization.

122101542221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46908163.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 122101542221 its reverse (122245101221), we get a palindrome (244346643442).

The spelling of 122101542221 in words is "one hundred twenty-two billion, one hundred one million, five hundred forty-two thousand, two hundred twenty-one".