2122010121111 has 16 divisors (see below), whose sum is σ = 2926122240000. Its totient is φ = 1367047719648.

The previous prime is 2122010121109. The next prime is 2122010121149. The reversal of 2122010121111 is 1111210102212.

It is a happy number.

It is not a de Polignac number, because 2122010121111 - 2¹ = 2122010121109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122010821111) 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, 95240236 + ... + 95262513.

It is an arithmetic number, because the mean of its divisors is an integer number (182882640000).

Almost surely, 2^{2122010121111} is an apocalyptic number.

2122010121111 is a deficient number, since it is larger than the sum of its proper divisors (804112118889).

2122010121111 is a wasteful number, since it uses less digits than its factorization.

2122010121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190502878.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2122010121111 its reverse (1111210102212), we get a palindrome (3233220223323).

The spelling of 2122010121111 in words is "two trillion, one hundred twenty-two billion, ten million, one hundred twenty-one thousand, one hundred eleven".