2121332013111 has 8 divisors (see below), whose sum is σ = 2951418453120. Its totient is φ = 1352733457592.

The previous prime is 2121332013091. The next prime is 2121332013121. The reversal of 2121332013111 is 1113102331212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121332013111 - 2¹³ = 2121332004919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121332013121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15371971041 + ... + 15371971178.

It is an arithmetic number, because the mean of its divisors is an integer number (368927306640).

Almost surely, 2^{2121332013111} is an apocalyptic number.

2121332013111 is a deficient number, since it is larger than the sum of its proper divisors (830086440009).

2121332013111 is a wasteful number, since it uses less digits than its factorization.

2121332013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30743942245.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2121332013111 its reverse (1113102331212), we get a palindrome (3234434344323).

The spelling of 2121332013111 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-two million, thirteen thousand, one hundred eleven".