10521020611 has 2 divisors, whose sum is σ = 10521020612. Its totient is φ = 10521020610.

The previous prime is 10521020599. The next prime is 10521020677. The reversal of 10521020611 is 11602012501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10521020611 - 2⁷ = 10521020483 is a prime.

It is a super-2 number, since 2×10521020611² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10521020311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260510305 + 5260510306.

It is an arithmetic number, because the mean of its divisors is an integer number (5260510306).

Almost surely, 2^10521020611 is an apocalyptic number.

10521020611 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521020611 is an equidigital number, since it uses as much as digits as its factorization.

10521020611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The spelling of 10521020611 in words is "ten billion, five hundred twenty-one million, twenty thousand, six hundred eleven".