101221431003 has 64 divisors (see below), whose sum is σ = 196800307200. Its totient is φ = 49815038880.

The previous prime is 101221430977. The next prime is 101221431007. The reversal of 101221431003 is 300134122101.

101221431003 is a `hidden beast` number, since 10 + 1 + 221 + 431 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 101221431003 - 2⁵ = 101221430971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221431007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1241751 + ... + 1320752.

It is an arithmetic number, because the mean of its divisors is an integer number (3075004800).

Almost surely, 2^101221431003 is an apocalyptic number.

101221431003 is a deficient number, since it is larger than the sum of its proper divisors (95578876197).

101221431003 is a wasteful number, since it uses less digits than its factorization.

101221431003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562549 (or 2562543 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101221431003 its reverse (300134122101), we get a palindrome (401355553104).

The spelling of 101221431003 in words is "one hundred one billion, two hundred twenty-one million, four hundred thirty-one thousand, three".