2131223012203 has 4 divisors (see below), whose sum is σ = 2132481857968. Its totient is φ = 2129964166440.

The previous prime is 2131223012179. The next prime is 2131223012221. The reversal of 2131223012203 is 3022103221312.

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 2131223012203 - 2²¹ = 2131220915051 is a prime.

It is a super-2 number, since 2×2131223012203² (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 (2131223012263) 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, 629420343 + ... + 629423728.

It is an arithmetic number, because the mean of its divisors is an integer number (533120464492).

Almost surely, 2^{2131223012203} is an apocalyptic number.

2131223012203 is a deficient number, since it is larger than the sum of its proper divisors (1258845765).

2131223012203 is a wasteful number, since it uses less digits than its factorization.

2131223012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258845764.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2131223012203 its reverse (3022103221312), we get a palindrome (5153326233515).

The spelling of 2131223012203 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-three million, twelve thousand, two hundred three".