2101633066751 has 4 divisors (see below), whose sum is σ = 2102559306600. Its totient is φ = 2100706826904.

The previous prime is 2101633066727. The next prime is 2101633066811. The reversal of 2101633066751 is 1576603361012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101633066751 is a prime.

It is a super-2 number, since 2×2101633066751² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101633066699 and 2101633066708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101633066151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463116521 + ... + 463121058.

It is an arithmetic number, because the mean of its divisors is an integer number (525639826650).

Almost surely, 2^{2101633066751} is an apocalyptic number.

2101633066751 is a deficient number, since it is larger than the sum of its proper divisors (926239849).

2101633066751 is an equidigital number, since it uses as much as digits as its factorization.

2101633066751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926239848.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 2101633066751 in words is "two trillion, one hundred one billion, six hundred thirty-three million, sixty-six thousand, seven hundred fifty-one".