2135630102661 has 12 divisors (see below), whose sum is σ = 3365235313440. Its totient is φ = 1294321274280.

The previous prime is 2135630102651. The next prime is 2135630102701. The reversal of 2135630102661 is 1662010365312.

2135630102661 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 630 + 10 + 2 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 2135630102661 - 2²⁹ = 2135093231749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135630102651) 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, 10786010521 + ... + 10786010718.

It is an arithmetic number, because the mean of its divisors is an integer number (280436276120).

Almost surely, 2^{2135630102661} is an apocalyptic number.

It is an amenable number.

2135630102661 is a deficient number, since it is larger than the sum of its proper divisors (1229605210779).

2135630102661 is a wasteful number, since it uses less digits than its factorization.

2135630102661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21572021256 (or 21572021253 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 2135630102661 its reverse (1662010365312), we get a palindrome (3797640467973).

The spelling of 2135630102661 in words is "two trillion, one hundred thirty-five billion, six hundred thirty million, one hundred two thousand, six hundred sixty-one".