10722121451 has 4 divisors (see below), whose sum is σ = 10724504952. Its totient is φ = 10719737952.

The previous prime is 10722121441. The next prime is 10722121453. The reversal of 10722121451 is 15412122701.

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 10722121451 - 2⁶ = 10722121387 is a prime.

It is a super-2 number, since 2×10722121451² (a number of 21 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 10722121451.

It is not an unprimeable number, because it can be changed into a prime (10722121453) 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, 1184990 + ... + 1194003.

It is an arithmetic number, because the mean of its divisors is an integer number (2681126238).

Almost surely, 2^10722121451 is an apocalyptic number.

10722121451 is a deficient number, since it is larger than the sum of its proper divisors (2383501).

10722121451 is an equidigital number, since it uses as much as digits as its factorization.

10722121451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383500.

The product of its (nonzero) digits is 1120, while the sum is 26.

The spelling of 10722121451 in words is "ten billion, seven hundred twenty-two million, one hundred twenty-one thousand, four hundred fifty-one".