2311012403421 has 32 divisors (see below), whose sum is σ = 3326385484800. Its totient is φ = 1422380430720.

The previous prime is 2311012403393. The next prime is 2311012403429. The reversal of 2311012403421 is 1243042101132.

It is not a de Polignac number, because 2311012403421 - 2¹⁰ = 2311012402397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311012403391 and 2311012403400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311012403429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1515490 + ... + 2630348.

It is an arithmetic number, because the mean of its divisors is an integer number (103949546400).

Almost surely, 2^{2311012403421} is an apocalyptic number.

It is an amenable number.

2311012403421 is a deficient number, since it is larger than the sum of its proper divisors (1015373081379).

2311012403421 is a wasteful number, since it uses less digits than its factorization.

2311012403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115809.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2311012403421 its reverse (1243042101132), we get a palindrome (3554054504553).

The spelling of 2311012403421 in words is "two trillion, three hundred eleven billion, twelve million, four hundred three thousand, four hundred twenty-one".