211233100001 has 48 divisors (see below), whose sum is σ = 278409489408. Its totient is φ = 155674159200.

The previous prime is 211233099983. The next prime is 211233100009. The reversal of 211233100001 is 100001332112.

It is not a de Polignac number, because 211233100001 - 2²² = 211228905697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211233100009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17533886 + ... + 17545928.

It is an arithmetic number, because the mean of its divisors is an integer number (5800197696).

Almost surely, 2^211233100001 is an apocalyptic number.

It is an amenable number.

211233100001 is a deficient number, since it is larger than the sum of its proper divisors (67176389407).

211233100001 is a wasteful number, since it uses less digits than its factorization.

211233100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12730 (or 12711 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 211233100001 its reverse (100001332112), we get a palindrome (311234432113).

The spelling of 211233100001 in words is "two hundred eleven billion, two hundred thirty-three million, one hundred thousand, one".