10021666667001 has 32 divisors (see below), whose sum is σ = 14625430626816. Its totient is φ = 6053556432000.

The previous prime is 10021666666961. The next prime is 10021666667039. The reversal of 10021666667001 is 10076666612001.

It is a happy number.

It is not a de Polignac number, because 10021666667001 - 2³⁵ = 9987306928633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021666667101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36422221 + ... + 36696341.

It is an arithmetic number, because the mean of its divisors is an integer number (457044707088).

Almost surely, 2^{10021666667001} is an apocalyptic number.

10021666667001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021666667001 is a deficient number, since it is larger than the sum of its proper divisors (4603763959815).

10021666667001 is a wasteful number, since it uses less digits than its factorization.

10021666667001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277813.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 10021666667001 in words is "ten trillion, twenty-one billion, six hundred sixty-six million, six hundred sixty-seven thousand, one".