2156333506101 has 12 divisors (see below), whose sum is σ = 3115482097728. Its totient is φ = 1437196527144.

The previous prime is 2156333506099. The next prime is 2156333506111. The reversal of 2156333506101 is 1016053336512.

2156333506101 is a `hidden beast` number, since 2 + 1 + 5 + 6 + 3 + 3 + 35 + 0 + 610 + 1 = 666.

It is not a de Polignac number, because 2156333506101 - 2¹ = 2156333506099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156333506111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29890605 + ... + 29962658.

It is an arithmetic number, because the mean of its divisors is an integer number (259623508144).

Almost surely, 2^{2156333506101} is an apocalyptic number.

It is an amenable number.

2156333506101 is a deficient number, since it is larger than the sum of its proper divisors (959148591627).

2156333506101 is a wasteful number, since it uses less digits than its factorization.

2156333506101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59857272 (or 59857269 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 2156333506101 in words is "two trillion, one hundred fifty-six billion, three hundred thirty-three million, five hundred six thousand, one hundred one".