669990100101111 has 16 divisors (see below), whose sum is σ = 993522338987520. Its totient is φ = 446235080923800.

The previous prime is 669990100101043. The next prime is 669990100101139. The reversal of 669990100101111 is 111101001099966.

It is not a de Polignac number, because 669990100101111 - 2¹⁷ = 669990099970039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669990100101211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11805132495 + ... + 11805189248.

It is an arithmetic number, because the mean of its divisors is an integer number (62095146186720).

Almost surely, 2^{669990100101111} is an apocalyptic number.

669990100101111 is a deficient number, since it is larger than the sum of its proper divisors (323532238886409).

669990100101111 is a wasteful number, since it uses less digits than its factorization.

669990100101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23610322803 (or 23610322797 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 669990100101111 in words is "six hundred sixty-nine trillion, nine hundred ninety billion, one hundred million, one hundred one thousand, one hundred eleven".