1111012030020 has 24 divisors (see below), whose sum is σ = 3110833684224. Its totient is φ = 296269874656.

The previous prime is 1111012029979. The next prime is 1111012030039. The reversal of 1111012030020 is 200302101111.

It is a super-2 number, since 2×1111012030020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1111012029978 and 1111012030005.

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, 9258433524 + ... + 9258433643.

It is an arithmetic number, because the mean of its divisors is an integer number (129618070176).

Almost surely, 2^{1111012030020} is an apocalyptic number.

1111012030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111012030020 is an abundant number, since it is smaller than the sum of its proper divisors (1999821654204).

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

1111012030020 is a wasteful number, since it uses less digits than its factorization.

1111012030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18516867179 (or 18516867177 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1111012030020 its reverse (200302101111), we get a palindrome (1311314131131).

The spelling of 1111012030020 in words is "one trillion, one hundred eleven billion, twelve million, thirty thousand, twenty".