121222110203101 has 4 divisors (see below), whose sum is σ = 122147469823104. Its totient is φ = 120296750583100.

The previous prime is 121222110203093. The next prime is 121222110203111. The reversal of 121222110203101 is 101302011222121.

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 121222110203101 - 2³ = 121222110203093 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 (121222110203111) 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, 462679809805 + ... + 462679810066.

It is an arithmetic number, because the mean of its divisors is an integer number (30536867455776).

Almost surely, 2^{121222110203101} is an apocalyptic number.

It is an amenable number.

121222110203101 is a deficient number, since it is larger than the sum of its proper divisors (925359620003).

121222110203101 is an equidigital number, since it uses as much as digits as its factorization.

121222110203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925359620002.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121222110203101 its reverse (101302011222121), we get a palindrome (222524121425222).

The spelling of 121222110203101 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, two hundred three thousand, one hundred one".