122120210101 has 16 divisors (see below), whose sum is σ = 130521049600. Its totient is φ = 113918170608.

The previous prime is 122120210059. The next prime is 122120210129. The reversal of 122120210101 is 101012021221.

It is a cyclic number.

It is not a de Polignac number, because 122120210101 - 2²³ = 122111821493 is a prime.

It is a super-2 number, since 2×122120210101² (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 (122120210701) 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, 3213256 + ... + 3251038.

It is an arithmetic number, because the mean of its divisors is an integer number (8157565600).

Almost surely, 2^122120210101 is an apocalyptic number.

It is an amenable number.

122120210101 is a deficient number, since it is larger than the sum of its proper divisors (8400839499).

122120210101 is a wasteful number, since it uses less digits than its factorization.

122120210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40408.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122120210101 its reverse (101012021221), we get a palindrome (223132231322).

The spelling of 122120210101 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred ten thousand, one hundred one".