1001220010112 has 64 divisors (see below), whose sum is σ = 2279701713600. Its totient is φ = 429068258304.

The previous prime is 1001220010097. The next prime is 1001220010123. The reversal of 1001220010112 is 2110100221001.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1001220010093 and 1001220010102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25321814 + ... + 25361322.

It is an arithmetic number, because the mean of its divisors is an integer number (35620339275).

Almost surely, 2^{1001220010112} is an apocalyptic number.

It is an amenable number.

1001220010112 is an abundant number, since it is smaller than the sum of its proper divisors (1278481703488).

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

1001220010112 is an equidigital number, since it uses as much as digits as its factorization.

1001220010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67813 (or 67801 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001220010112 its reverse (2110100221001), we get a palindrome (3111320231113).

The spelling of 1001220010112 in words is "one trillion, one billion, two hundred twenty million, ten thousand, one hundred twelve".