1021313020110 has 32 divisors (see below), whose sum is σ = 2451178208160. Its totient is φ = 272347143168.

The previous prime is 1021313020009. The next prime is 1021313020153. The reversal of 1021313020110 is 110203131201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1021313020110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4554706 + ... + 4773674.

It is an arithmetic number, because the mean of its divisors is an integer number (76599319005).

Almost surely, 2^{1021313020110} is an apocalyptic number.

1021313020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021313020110 is an abundant number, since it is smaller than the sum of its proper divisors (1429865188050).

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

1021313020110 is a wasteful number, since it uses less digits than its factorization.

1021313020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374452.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1021313020110 its reverse (110203131201), we get a palindrome (1131516151311).

The spelling of 1021313020110 in words is "one trillion, twenty-one billion, three hundred thirteen million, twenty thousand, one hundred ten".