1002212011021 has 8 divisors (see below), whose sum is σ = 1081809437184. Its totient is φ = 922972326960.

The previous prime is 1002212011013. The next prime is 1002212011063. The reversal of 1002212011021 is 1201102122001.

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 1002212011021 - 2³ = 1002212011013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002212010992 and 1002212011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002212021021) 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, 89429701 + ... + 89440906.

It is an arithmetic number, because the mean of its divisors is an integer number (135226179648).

Almost surely, 2^{1002212011021} is an apocalyptic number.

It is an amenable number.

1002212011021 is a deficient number, since it is larger than the sum of its proper divisors (79597426163).

1002212011021 is a wasteful number, since it uses less digits than its factorization.

1002212011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178871051.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002212011021 its reverse (1201102122001), we get a palindrome (2203314133022).

The spelling of 1002212011021 in words is "one trillion, two billion, two hundred twelve million, eleven thousand, twenty-one".