1002211010221 has 8 divisors (see below), whose sum is σ = 1026726156288. Its totient is φ = 977699244000.

The previous prime is 1002211010197. The next prime is 1002211010231. The reversal of 1002211010221 is 1220101122001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002211010221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002211010231) 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, 239415 + ... + 1435876.

It is an arithmetic number, because the mean of its divisors is an integer number (128340769536).

Almost surely, 2^{1002211010221} is an apocalyptic number.

It is an amenable number.

1002211010221 is a deficient number, since it is larger than the sum of its proper divisors (24515146067).

1002211010221 is a wasteful number, since it uses less digits than its factorization.

1002211010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689923.

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

Adding to 1002211010221 its reverse (1220101122001), we get a palindrome (2222312132222).

The spelling of 1002211010221 in words is "one trillion, two billion, two hundred eleven million, ten thousand, two hundred twenty-one".