1210421101431 has 8 divisors (see below), whose sum is σ = 1613974038640. Its totient is φ = 806907782592.

The previous prime is 1210421101391. The next prime is 1210421101433. The reversal of 1210421101431 is 1341011240121.

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

It is not a de Polignac number, because 1210421101431 - 2⁹ = 1210421100919 is a prime.

It is a super-2 number, since 2×1210421101431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210421101398 and 1210421101407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210421101433) 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, 9833230 + ... + 9955563.

It is an arithmetic number, because the mean of its divisors is an integer number (201746754830).

Almost surely, 2^{1210421101431} is an apocalyptic number.

1210421101431 is a deficient number, since it is larger than the sum of its proper divisors (403552937209).

1210421101431 is a wasteful number, since it uses less digits than its factorization.

1210421101431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19809185.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1210421101431 its reverse (1341011240121), we get a palindrome (2551432341552).

The spelling of 1210421101431 in words is "one trillion, two hundred ten billion, four hundred twenty-one million, one hundred one thousand, four hundred thirty-one".