1000002112021 has 32 divisors (see below), whose sum is σ = 1132713964800. Its totient is φ = 874495802880.

The previous prime is 1000002112013. The next prime is 1000002112063. The reversal of 1000002112021 is 1202112000001.

It is a cyclic number.

It is not a de Polignac number, because 1000002112021 - 2³ = 1000002112013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000002111989 and 1000002112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000002112091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106006321 + ... + 106015753.

It is an arithmetic number, because the mean of its divisors is an integer number (35397311400).

Almost surely, 2^{1000002112021} is an apocalyptic number.

1000002112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000002112021 is a deficient number, since it is larger than the sum of its proper divisors (132711852779).

1000002112021 is a wasteful number, since it uses less digits than its factorization.

1000002112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000002112021 its reverse (1202112000001), we get a palindrome (2202114112022).

The spelling of 1000002112021 in words is "one trillion, two million, one hundred twelve thousand, twenty-one".