12122200101021 has 16 divisors (see below), whose sum is σ = 16379862220800. Its totient is φ = 7973156541168.

The previous prime is 12122200101017. The next prime is 12122200101049. The reversal of 12122200101021 is 12010100222121.

12122200101021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12122200101021 - 2² = 12122200101017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122200101071) 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, 18957741 + ... + 19586738.

It is an arithmetic number, because the mean of its divisors is an integer number (1023741388800).

Almost surely, 2^{12122200101021} is an apocalyptic number.

It is an amenable number.

12122200101021 is a deficient number, since it is larger than the sum of its proper divisors (4257662119779).

12122200101021 is a wasteful number, since it uses less digits than its factorization.

12122200101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38545888.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122200101021 its reverse (12010100222121), we get a palindrome (24132300323142).

The spelling of 12122200101021 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, one hundred one thousand, twenty-one".