121022101100101 has 4 divisors (see below), whose sum is σ = 121042127930752. Its totient is φ = 121002074269452.

The previous prime is 121022101100081. The next prime is 121022101100171. The reversal of 121022101100101 is 101001101220121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121022101100101 - 2²¹ = 121022099002949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022101100171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10013406261 + ... + 10013418346.

It is an arithmetic number, because the mean of its divisors is an integer number (30260531982688).

Almost surely, 2^{121022101100101} is an apocalyptic number.

It is an amenable number.

121022101100101 is a deficient number, since it is larger than the sum of its proper divisors (20026830651).

121022101100101 is an equidigital number, since it uses as much as digits as its factorization.

121022101100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026830650.

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

Adding to 121022101100101 its reverse (101001101220121), we get a palindrome (222023202320222).

The spelling of 121022101100101 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred one million, one hundred thousand, one hundred one".