10722121547 has 2 divisors, whose sum is σ = 10722121548. Its totient is φ = 10722121546.

The previous prime is 10722121499. The next prime is 10722121567. The reversal of 10722121547 is 74512122701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10722121547 - 2¹² = 10722117451 is a prime.

It is a super-2 number, since 2×10722121547² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10722121567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5361060773 + 5361060774.

It is an arithmetic number, because the mean of its divisors is an integer number (5361060774).

Almost surely, 2^10722121547 is an apocalyptic number.

10722121547 is a deficient number, since it is larger than the sum of its proper divisors (1).

10722121547 is an equidigital number, since it uses as much as digits as its factorization.

10722121547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 10722121547 in words is "ten billion, seven hundred twenty-two million, one hundred twenty-one thousand, five hundred forty-seven".