2122000111021 has 16 divisors (see below), whose sum is σ = 2462682009600. Its totient is φ = 1790831238768.

The previous prime is 2122000110991. The next prime is 2122000111027. The reversal of 2122000111021 is 1201110002212.

It is a cyclic number.

It is not a de Polignac number, because 2122000111021 - 2²¹ = 2121998013869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122000110992 and 2122000111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122000111027) 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, 5145835 + ... + 5542888.

It is an arithmetic number, because the mean of its divisors is an integer number (153917625600).

Almost surely, 2^{2122000111021} is an apocalyptic number.

It is an amenable number.

2122000111021 is a deficient number, since it is larger than the sum of its proper divisors (340681898579).

2122000111021 is a wasteful number, since it uses less digits than its factorization.

2122000111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689168.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2122000111021 its reverse (1201110002212), we get a palindrome (3323110113233).

The spelling of 2122000111021 in words is "two trillion, one hundred twenty-two billion, one hundred eleven thousand, twenty-one".