1001021033112 has 64 divisors (see below), whose sum is σ = 2559466356480. Its totient is φ = 326133055872.

The previous prime is 1001021033107. The next prime is 1001021033119. The reversal of 1001021033112 is 2113301201001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001021033091 and 1001021033100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001021033119) 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, 1161598 + ... + 1830669.

It is an arithmetic number, because the mean of its divisors is an integer number (39991661820).

Almost surely, 2^{1001021033112} is an apocalyptic number.

1001021033112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001021033112 is an abundant number, since it is smaller than the sum of its proper divisors (1558445323368).

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

1001021033112 is a wasteful number, since it uses less digits than its factorization.

1001021033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992592 (or 2992588 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1001021033112 its reverse (2113301201001), we get a palindrome (3114322234113).

The spelling of 1001021033112 in words is "one trillion, one billion, twenty-one million, thirty-three thousand, one hundred twelve".