121000101221101 has 16 divisors (see below), whose sum is σ = 124156431288000. Its totient is φ = 117884224726528.

The previous prime is 121000101221047. The next prime is 121000101221141. The reversal of 121000101221101 is 101122101000121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121000101221101 - 2³⁷ = 120862662267629 is a prime.

It is a super-2 number, since 2×121000101221101² (a number of 29 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 (121000101221141) 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, 11640676 + ... + 19429501.

It is an arithmetic number, because the mean of its divisors is an integer number (7759776955500).

Almost surely, 2^{121000101221101} is an apocalyptic number.

It is an amenable number.

121000101221101 is a deficient number, since it is larger than the sum of its proper divisors (3156330066899).

121000101221101 is a wasteful number, since it uses less digits than its factorization.

121000101221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31070828.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121000101221101 its reverse (101122101000121), we get a palindrome (222122202221222).

The spelling of 121000101221101 in words is "one hundred twenty-one trillion, one hundred one million, two hundred twenty-one thousand, one hundred one".