2122020121011 has 16 divisors (see below), whose sum is σ = 3288360480000. Its totient is φ = 1192030672608.

The previous prime is 2122020121007. The next prime is 2122020121037. The reversal of 2122020121011 is 1101210202212.

It is not a de Polignac number, because 2122020121011 - 2² = 2122020121007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122020122011) 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, 856342636 + ... + 856345113.

It is an arithmetic number, because the mean of its divisors is an integer number (205522530000).

Almost surely, 2^{2122020121011} is an apocalyptic number.

2122020121011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2122020121011 is a deficient number, since it is larger than the sum of its proper divisors (1166340358989).

2122020121011 is a wasteful number, since it uses less digits than its factorization.

2122020121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712687818.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2122020121011 its reverse (1101210202212), we get a palindrome (3223230323223).

The spelling of 2122020121011 in words is "two trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, eleven".