10621311312601 has 4 divisors (see below), whose sum is σ = 11586885068304. Its totient is φ = 9655737556900.

The previous prime is 10621311312589. The next prime is 10621311312611.

10621311312601 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10621311312601 is a prime.

It is a super-2 number, since 2×10621311312601² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10621311312601.

It is not an unprimeable number, because it can be changed into a prime (10621311312611) 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, 482786877835 + ... + 482786877856.

It is an arithmetic number, because the mean of its divisors is an integer number (2896721267076).

Almost surely, 2^{10621311312601} is an apocalyptic number.

10621311312601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10621311312601 is a deficient number, since it is larger than the sum of its proper divisors (965573755703).

10621311312601 is an equidigital number, since it uses as much as digits as its factorization.

10621311312601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965573755702.

The product of its (nonzero) digits is 1296, while the sum is 28.

It can be divided in two parts, 1062131 and 1312601, that added together give a palindrome (2374732).

The spelling of 10621311312601 in words is "ten trillion, six hundred twenty-one billion, three hundred eleven million, three hundred twelve thousand, six hundred one".