10722121535 has 16 divisors (see below), whose sum is σ = 12985297920. Its totient is φ = 8498779680.

The previous prime is 10722121499. The next prime is 10722121547. The reversal of 10722121535 is 53512122701.

It is not a de Polignac number, because 10722121535 - 2⁶ = 10722121471 is a prime.

It is a super-2 number, since 2×10722121535² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10722121498 and 10722121507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334250 + ... + 364920.

It is an arithmetic number, because the mean of its divisors is an integer number (811581120).

Almost surely, 2^10722121535 is an apocalyptic number.

10722121535 is a deficient number, since it is larger than the sum of its proper divisors (2263176385).

10722121535 is a wasteful number, since it uses less digits than its factorization.

10722121535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31318.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 10722121535 in words is "ten billion, seven hundred twenty-two million, one hundred twenty-one thousand, five hundred thirty-five".