2121222000211 has 16 divisors (see below), whose sum is σ = 2269800755200. Its totient is φ = 1976346410400.

The previous prime is 2121222000203. The next prime is 2121222000239. The reversal of 2121222000211 is 1120002221212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2121222000211 - 2³ = 2121222000203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121222000511) 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, 8028196 + ... + 8288206.

It is an arithmetic number, because the mean of its divisors is an integer number (141862547200).

Almost surely, 2^{2121222000211} is an apocalyptic number.

2121222000211 is a deficient number, since it is larger than the sum of its proper divisors (148578754989).

2121222000211 is a wasteful number, since it uses less digits than its factorization.

2121222000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267130.

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

Adding to 2121222000211 its reverse (1120002221212), we get a palindrome (3241224221423).

The spelling of 2121222000211 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred eleven", and thus it is an aban number.