211121202200001 has 32 divisors (see below), whose sum is σ = 286703686714368. Its totient is φ = 138158013216960.

The previous prime is 211121202199961. The next prime is 211121202200009. The reversal of 211121202200001 is 100002202121112.

It is not a de Polignac number, because 211121202200001 - 2²⁷ = 211121067982273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211121202200009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535199100 + ... + 535593426.

It is an arithmetic number, because the mean of its divisors is an integer number (8959490209824).

Almost surely, 2^{211121202200001} is an apocalyptic number.

It is an amenable number.

211121202200001 is a deficient number, since it is larger than the sum of its proper divisors (75582484514367).

211121202200001 is a wasteful number, since it uses less digits than its factorization.

211121202200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403781.

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

Adding to 211121202200001 its reverse (100002202121112), we get a palindrome (311123404321113).

The spelling of 211121202200001 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred two million, two hundred thousand, one".