1001112102021 has 8 divisors (see below), whose sum is σ = 1353616363584. Its totient is φ = 658007954240.

The previous prime is 1001112102019. The next prime is 1001112102047. The reversal of 1001112102021 is 1202012111001.

1001112102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001112102021 - 2¹ = 1001112102019 is a prime.

It is a super-2 number, since 2×1001112102021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001112101988 and 1001112102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001112142021) 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, 2350028196 + ... + 2350028621.

It is an arithmetic number, because the mean of its divisors is an integer number (169202045448).

Almost surely, 2^{1001112102021} is an apocalyptic number.

It is an amenable number.

1001112102021 is a deficient number, since it is larger than the sum of its proper divisors (352504261563).

1001112102021 is an equidigital number, since it uses as much as digits as its factorization.

1001112102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700056891.

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

Adding to 1001112102021 its reverse (1202012111001), we get a palindrome (2203124213022).

The spelling of 1001112102021 in words is "one trillion, one billion, one hundred twelve million, one hundred two thousand, twenty-one".