211122020001 has 16 divisors (see below), whose sum is σ = 305324244288. Its totient is φ = 129237772800.

The previous prime is 211122019993. The next prime is 211122020027. The reversal of 211122020001 is 100020221112.

It is not a de Polignac number, because 211122020001 - 2³ = 211122019993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211122020051) 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, 50481415 + ... + 50485596.

It is an arithmetic number, because the mean of its divisors is an integer number (19082765268).

Almost surely, 2^211122020001 is an apocalyptic number.

It is an amenable number.

211122020001 is a deficient number, since it is larger than the sum of its proper divisors (94202224287).

211122020001 is a wasteful number, since it uses less digits than its factorization.

211122020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100967072.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211122020001 its reverse (100020221112), we get a palindrome (311142241113).

The spelling of 211122020001 in words is "two hundred eleven billion, one hundred twenty-two million, twenty thousand, one".