1000112222020 has 24 divisors (see below), whose sum is σ = 2126820931200. Its totient is φ = 394981028832.

The previous prime is 1000112221903. The next prime is 1000112222027. The reversal of 1000112222020 is 202222110001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1000112222027) 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, 316489630 + ... + 316492789.

It is an arithmetic number, because the mean of its divisors is an integer number (88617538800).

Almost surely, 2^{1000112222020} is an apocalyptic number.

1000112222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000112222020 is an abundant number, since it is smaller than the sum of its proper divisors (1126708709180).

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

1000112222020 is a wasteful number, since it uses less digits than its factorization.

1000112222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632982507 (or 632982505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000112222020 its reverse (202222110001), we get a palindrome (1202334332021).

The spelling of 1000112222020 in words is "one trillion, one hundred twelve million, two hundred twenty-two thousand, twenty".