1000112101220 has 48 divisors (see below), whose sum is σ = 2178709747200. Its totient is φ = 385174204800.

The previous prime is 1000112101199. The next prime is 1000112101223. The reversal of 1000112101220 is 221012110001.

It is not an unprimeable number, because it can be changed into a prime (1000112101223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2193356 + ... + 2609795.

It is an arithmetic number, because the mean of its divisors is an integer number (45389786400).

Almost surely, 2^{1000112101220} is an apocalyptic number.

1000112101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000112101220 is an abundant number, since it is smaller than the sum of its proper divisors (1178597645980).

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

1000112101220 is a wasteful number, since it uses less digits than its factorization.

1000112101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803548 (or 4803546 counting only the distinct ones).

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

Adding to 1000112101220 its reverse (221012110001), we get a palindrome (1221124211221).

The spelling of 1000112101220 in words is "one trillion, one hundred twelve million, one hundred one thousand, two hundred twenty".