1000002233121 has 16 divisors (see below), whose sum is σ = 1336532678208. Its totient is φ = 665071784000.

The previous prime is 1000002233093. The next prime is 1000002233137. The reversal of 1000002233121 is 1213322000001.

It is a cyclic number.

It is not a de Polignac number, because 1000002233121 - 2⁵ = 1000002233089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000002233121.

It is not an unprimeable number, because it can be changed into a prime (1000002233221) 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, 1990171 + ... + 2441471.

It is an arithmetic number, because the mean of its divisors is an integer number (83533292388).

Almost surely, 2^{1000002233121} is an apocalyptic number.

It is an amenable number.

1000002233121 is a deficient number, since it is larger than the sum of its proper divisors (336530445087).

1000002233121 is a wasteful number, since it uses less digits than its factorization.

1000002233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453072.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1000002233121 its reverse (1213322000001), we get a palindrome (2213324233122).

The spelling of 1000002233121 in words is "one trillion, two million, two hundred thirty-three thousand, one hundred twenty-one".