211120201102021 has 4 divisors (see below), whose sum is σ = 211446507441312. Its totient is φ = 210793894762732.

The previous prime is 211120201101991. The next prime is 211120201102043. The reversal of 211120201102021 is 120201102021112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211120201102021 - 2⁵ = 211120201101989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211120201101986 and 211120201102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120201102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163153168675 + ... + 163153169968.

It is an arithmetic number, because the mean of its divisors is an integer number (52861626860328).

Almost surely, 2^{211120201102021} is an apocalyptic number.

It is an amenable number.

211120201102021 is a deficient number, since it is larger than the sum of its proper divisors (326306339291).

211120201102021 is an equidigital number, since it uses as much as digits as its factorization.

211120201102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326306339290.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211120201102021 its reverse (120201102021112), we get a palindrome (331321303123133).

The spelling of 211120201102021 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred one million, one hundred two thousand, twenty-one".