2621121160110 has 128 divisors (see below), whose sum is σ = 6655519954944. Its totient is φ = 659323822080.

The previous prime is 2621121160093. The next prime is 2621121160117. The reversal of 2621121160110 is 110611211262.

It is a super-2 number, since 2×2621121160110² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621121160117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18737647 + ... + 18877013.

It is an arithmetic number, because the mean of its divisors is an integer number (51996249648).

Almost surely, 2^{2621121160110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2621121160110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3327759977472).

2621121160110 is an abundant number, since it is smaller than the sum of its proper divisors (4034398794834).

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

2621121160110 is a wasteful number, since it uses less digits than its factorization.

2621121160110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139778.

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 2621121160110 its reverse (110611211262), we get a palindrome (2731732371372).

The spelling of 2621121160110 in words is "two trillion, six hundred twenty-one billion, one hundred twenty-one million, one hundred sixty thousand, one hundred ten".