2122221120001 has 4 divisors (see below), whose sum is σ = 2142054962352. Its totient is φ = 2102387277652.

The previous prime is 2122221119983. The next prime is 2122221120023. The reversal of 2122221120001 is 1000211222212.

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 2122221120001 - 2⁷ = 2122221119873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122221120301) 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, 9916921015 + ... + 9916921228.

It is an arithmetic number, because the mean of its divisors is an integer number (535513740588).

Almost surely, 2^{2122221120001} is an apocalyptic number.

It is an amenable number.

2122221120001 is a deficient number, since it is larger than the sum of its proper divisors (19833842351).

2122221120001 is a wasteful number, since it uses less digits than its factorization.

2122221120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19833842350.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122221120001 its reverse (1000211222212), we get a palindrome (3122432342213).

The spelling of 2122221120001 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, one".