211121012100211 has 16 divisors (see below), whose sum is σ = 215754728745888. Its totient is φ = 206536898304000.

The previous prime is 211121012100179. The next prime is 211121012100239. The reversal of 211121012100211 is 112001210121112.

It is a cyclic number.

It is not a de Polignac number, because 211121012100211 - 2⁵ = 211121012100179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121012100281) 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, 3222696 + ... + 20799706.

It is an arithmetic number, because the mean of its divisors is an integer number (13484670546618).

Almost surely, 2^{211121012100211} is an apocalyptic number.

211121012100211 is a deficient number, since it is larger than the sum of its proper divisors (4633716645677).

211121012100211 is a wasteful number, since it uses less digits than its factorization.

211121012100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17578422.

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

Adding to 211121012100211 its reverse (112001210121112), we get a palindrome (323122222221323).

The spelling of 211121012100211 in words is "two hundred eleven trillion, one hundred twenty-one billion, twelve million, one hundred thousand, two hundred eleven".