103212122231 has 4 divisors (see below), whose sum is σ = 103214689512. Its totient is φ = 103209554952.

The previous prime is 103212122227. The next prime is 103212122239. The reversal of 103212122231 is 132221212301.

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 103212122231 - 2² = 103212122227 is a prime.

It is a super-2 number, since 2×103212122231² (a number of 23 digits) contains 22 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 (103212122239) 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, 1222361 + ... + 1304066.

It is an arithmetic number, because the mean of its divisors is an integer number (25803672378).

Almost surely, 2^103212122231 is an apocalyptic number.

103212122231 is a deficient number, since it is larger than the sum of its proper divisors (2567281).

103212122231 is an equidigital number, since it uses as much as digits as its factorization.

103212122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567280.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103212122231 its reverse (132221212301), we get a palindrome (235433334532).

The spelling of 103212122231 in words is "one hundred three billion, two hundred twelve million, one hundred twenty-two thousand, two hundred thirty-one".