1112101021020 has 48 divisors (see below), whose sum is σ = 3396963120768. Its totient is φ = 269600247360.

The previous prime is 1112101021007. The next prime is 1112101021033. The reversal of 1112101021020 is 201201012111.

It is an interprime number because it is at equal distance from previous prime (1112101021007) and next prime (1112101021033).

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 = 1112101020987 and 1112101021005.

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, 842500114 + ... + 842501433.

It is an arithmetic number, because the mean of its divisors is an integer number (70770065016).

Almost surely, 2^{1112101021020} is an apocalyptic number.

1112101021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112101021020 is an abundant number, since it is smaller than the sum of its proper divisors (2284862099748).

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

1112101021020 is a wasteful number, since it uses less digits than its factorization.

1112101021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685001570 (or 1685001568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1112101021020 its reverse (201201012111), we get a palindrome (1313302033131).

The spelling of 1112101021020 in words is "one trillion, one hundred twelve billion, one hundred one million, twenty-one thousand, twenty".