21160137102 has 16 divisors (see below), whose sum is σ = 45575680080. Its totient is φ = 6510811392.

The previous prime is 21160137067. The next prime is 21160137109. The reversal of 21160137102 is 20173106112.

It is a super-3 number, since 3×21160137102³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160137109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135641827 + ... + 135641982.

It is an arithmetic number, because the mean of its divisors is an integer number (2848480005).

Almost surely, 2^21160137102 is an apocalyptic number.

21160137102 is an abundant number, since it is smaller than the sum of its proper divisors (24415542978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21160137102 is a wasteful number, since it uses less digits than its factorization.

21160137102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271283827.

The product of its (nonzero) digits is 504, while the sum is 24.

The spelling of 21160137102 in words is "twenty-one billion, one hundred sixty million, one hundred thirty-seven thousand, one hundred two".