1001221310310 has 32 divisors (see below), whose sum is σ = 2587772003040. Its totient is φ = 246454476288.

The previous prime is 1001221310263. The next prime is 1001221310329. The reversal of 1001221310310 is 130131221001.

It is a happy number.

It is a super-2 number, since 2×1001221310310² (a number of 25 digits) contains 22 as substring.

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 1001221310310.

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, 1283616675 + ... + 1283617454.

It is an arithmetic number, because the mean of its divisors is an integer number (80867875095).

Almost surely, 2^{1001221310310} is an apocalyptic number.

1001221310310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001221310310 is an abundant number, since it is smaller than the sum of its proper divisors (1586550692730).

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

1001221310310 is a wasteful number, since it uses less digits than its factorization.

1001221310310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567234152.

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

Adding to 1001221310310 its reverse (130131221001), we get a palindrome (1131352531311).

The spelling of 1001221310310 in words is "one trillion, one billion, two hundred twenty-one million, three hundred ten thousand, three hundred ten".