2221002032021 has 8 divisors (see below), whose sum is σ = 2281496262144. Its totient is φ = 2160909757440.

The previous prime is 2221002032003. The next prime is 2221002032077. The reversal of 2221002032021 is 1202302001222.

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-2221002032021 is a prime.

It is a super-2 number, since 2×2221002032021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100477685 + ... + 100499786.

It is an arithmetic number, because the mean of its divisors is an integer number (285187032768).

Almost surely, 2^{2221002032021} is an apocalyptic number.

It is an amenable number.

2221002032021 is a deficient number, since it is larger than the sum of its proper divisors (60494230123).

2221002032021 is a wasteful number, since it uses less digits than its factorization.

2221002032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200977771.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2221002032021 its reverse (1202302001222), we get a palindrome (3423304033243).

The spelling of 2221002032021 in words is "two trillion, two hundred twenty-one billion, two million, thirty-two thousand, twenty-one".