2121203233011 has 8 divisors (see below), whose sum is σ = 2828370158800. Its totient is φ = 1414085897952.

The previous prime is 2121203232899. The next prime is 2121203233063. The reversal of 2121203233011 is 1103323021212.

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

It is not a de Polignac number, because 2121203233011 - 2²⁹ = 2120666362099 is a prime.

It is a super-2 number, since 2×2121203233011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121203233081) 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, 12297760 + ... + 12469053.

It is an arithmetic number, because the mean of its divisors is an integer number (353546269850).

Almost surely, 2^{2121203233011} is an apocalyptic number.

2121203233011 is a deficient number, since it is larger than the sum of its proper divisors (707166925789).

2121203233011 is a wasteful number, since it uses less digits than its factorization.

2121203233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24795365.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2121203233011 its reverse (1103323021212), we get a palindrome (3224526254223).

The spelling of 2121203233011 in words is "two trillion, one hundred twenty-one billion, two hundred three million, two hundred thirty-three thousand, eleven".