2211665601411 has 16 divisors (see below), whose sum is σ = 3744619008000. Its totient is φ = 1263808914984.

The previous prime is 2211665601403. The next prime is 2211665601427. The reversal of 2211665601411 is 1141065661122.

2211665601411 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 6 + 6 + 5 + 601 + 41 + 1 = 666.

It is not a de Polignac number, because 2211665601411 - 2³ = 2211665601403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211665601461) 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, 5850967011 + ... + 5850967388.

It is an arithmetic number, because the mean of its divisors is an integer number (234038688000).

Almost surely, 2^{2211665601411} is an apocalyptic number.

2211665601411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2211665601411 is a deficient number, since it is larger than the sum of its proper divisors (1532953406589).

2211665601411 is a wasteful number, since it uses less digits than its factorization.

2211665601411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701934415 (or 11701934409 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 2211665601411 in words is "two trillion, two hundred eleven billion, six hundred sixty-five million, six hundred one thousand, four hundred eleven".