1021110130664 has 32 divisors (see below), whose sum is σ = 2170375788000. Its totient is φ = 446477303232.

The previous prime is 1021110130661. The next prime is 1021110130687. The reversal of 1021110130664 is 4660310111201.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1021110130661) 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, 258376094 + ... + 258380045.

It is an arithmetic number, because the mean of its divisors is an integer number (67824243375).

Almost surely, 2^{1021110130664} is an apocalyptic number.

It is an amenable number.

1021110130664 is an abundant number, since it is smaller than the sum of its proper divisors (1149265657336).

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

1021110130664 is a wasteful number, since it uses less digits than its factorization.

1021110130664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516756177 (or 516756173 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 1021110130664 its reverse (4660310111201), we get a palindrome (5681420241865).

The spelling of 1021110130664 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred thirty thousand, six hundred sixty-four".