2223201051021 has 8 divisors (see below), whose sum is σ = 3138636777984. Its totient is φ = 1394949679040.

The previous prime is 2223201051017. The next prime is 2223201051053. The reversal of 2223201051021 is 1201501023222.

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 2223201051021 - 2² = 2223201051017 is a prime.

It is a super-3 number, since 3×2223201051021³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223201051011) 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, 21796088685 + ... + 21796088786.

It is an arithmetic number, because the mean of its divisors is an integer number (392329597248).

Almost surely, 2^{2223201051021} is an apocalyptic number.

It is an amenable number.

2223201051021 is a deficient number, since it is larger than the sum of its proper divisors (915435726963).

2223201051021 is a wasteful number, since it uses less digits than its factorization.

2223201051021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43592177491.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 2223201051021 its reverse (1201501023222), we get a palindrome (3424702074243).

The spelling of 2223201051021 in words is "two trillion, two hundred twenty-three billion, two hundred one million, fifty-one thousand, twenty-one".