2222201021002 has 4 divisors (see below), whose sum is σ = 3333301531506. Its totient is φ = 1111100510500.

The previous prime is 2222201020927. The next prime is 2222201021009. The reversal of 2222201021002 is 2001201022222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1836049390081 + 386151630921 = 1355009^2 + 621411^2 .

It is not an unprimeable number, because it can be changed into a prime (2222201021009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550255249 + ... + 555550255252.

Almost surely, 2^{2222201021002} is an apocalyptic number.

2222201021002 is a deficient number, since it is larger than the sum of its proper divisors (1111100510504).

2222201021002 is a wasteful number, since it uses less digits than its factorization.

2222201021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111100510503.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2222201021002 its reverse (2001201022222), we get a palindrome (4223402043224).

The spelling of 2222201021002 in words is "two trillion, two hundred twenty-two billion, two hundred one million, twenty-one thousand, two".