2011232121103 has 4 divisors (see below), whose sum is σ = 2011294515208. Its totient is φ = 2011169727000.

The previous prime is 2011232121091. The next prime is 2011232121133. The reversal of 2011232121103 is 3011212321102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011232121103 - 2⁹ = 2011232120591 is a prime.

It is a super-3 number, since 3×2011232121103³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011232121133) 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, 31148676 + ... + 31213177.

It is an arithmetic number, because the mean of its divisors is an integer number (502823628802).

Almost surely, 2^{2011232121103} is an apocalyptic number.

2011232121103 is a deficient number, since it is larger than the sum of its proper divisors (62394105).

2011232121103 is an equidigital number, since it uses as much as digits as its factorization.

2011232121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62394104.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2011232121103 its reverse (3011212321102), we get a palindrome (5022444442205).

The spelling of 2011232121103 in words is "two trillion, eleven billion, two hundred thirty-two million, one hundred twenty-one thousand, one hundred three".