2121022200011 has 36 divisors (see below), whose sum is σ = 2657371935960. Its totient is φ = 1686200630400.

The previous prime is 2121022200001. The next prime is 2121022200019. The reversal of 2121022200011 is 1100022201212.

It is a de Polignac number, because none of the positive numbers 2^k-2121022200011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121022200019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2341010 + ... + 3118071.

It is an arithmetic number, because the mean of its divisors is an integer number (73815887110).

Almost surely, 2^{2121022200011} is an apocalyptic number.

2121022200011 is a deficient number, since it is larger than the sum of its proper divisors (536349735949).

2121022200011 is a wasteful number, since it uses less digits than its factorization.

2121022200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459148 (or 5459124 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121022200011 its reverse (1100022201212), we get a palindrome (3221044401223).

The spelling of 2121022200011 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two hundred thousand, eleven".