2120210022011 has 4 divisors (see below), whose sum is σ = 2120214928632. Its totient is φ = 2120205115392.

The previous prime is 2120210021999. The next prime is 2120210022017. The reversal of 2120210022011 is 1102200120212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120210022011 - 2³⁰ = 2119136280187 is a prime.

It is a super-3 number, since 3×2120210022011³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120210022017) 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, 1735046 + ... + 2692731.

It is an arithmetic number, because the mean of its divisors is an integer number (530053732158).

Almost surely, 2^{2120210022011} is an apocalyptic number.

2120210022011 is a deficient number, since it is larger than the sum of its proper divisors (4906621).

2120210022011 is an equidigital number, since it uses as much as digits as its factorization.

2120210022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906620.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120210022011 its reverse (1102200120212), we get a palindrome (3222410142223).

The spelling of 2120210022011 in words is "two trillion, one hundred twenty billion, two hundred ten million, twenty-two thousand, eleven".