2120212022011 has 4 divisors (see below), whose sum is σ = 2120214934224. Its totient is φ = 2120209109800.

The previous prime is 2120212021987. The next prime is 2120212022017. The reversal of 2120212022011 is 1102202120212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2120212022011 - 2²⁵ = 2120178467579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120212022017) 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, 719481 + ... + 2181301.

It is an arithmetic number, because the mean of its divisors is an integer number (530053733556).

Almost surely, 2^{2120212022011} is an apocalyptic number.

2120212022011 is a deficient number, since it is larger than the sum of its proper divisors (2912213).

2120212022011 is a wasteful number, since it uses less digits than its factorization.

2120212022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120212022011 its reverse (1102202120212), we get a palindrome (3222414142223).

The spelling of 2120212022011 in words is "two trillion, one hundred twenty billion, two hundred twelve million, twenty-two thousand, eleven".