121222003101 has 4 divisors (see below), whose sum is σ = 161629337472. Its totient is φ = 80814668732.

The previous prime is 121222003081. The next prime is 121222003127. The reversal of 121222003101 is 101300222121.

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 121222003101 - 2⁵ = 121222003069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222003501) 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, 20203667181 + ... + 20203667186.

It is an arithmetic number, because the mean of its divisors is an integer number (40407334368).

Almost surely, 2^121222003101 is an apocalyptic number.

It is an amenable number.

121222003101 is a deficient number, since it is larger than the sum of its proper divisors (40407334371).

121222003101 is an equidigital number, since it uses as much as digits as its factorization.

121222003101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40407334370.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121222003101 its reverse (101300222121), we get a palindrome (222522225222).

The spelling of 121222003101 in words is "one hundred twenty-one billion, two hundred twenty-two million, three thousand, one hundred one".