2221122110002 has 32 divisors (see below), whose sum is σ = 3423648119472. Its totient is φ = 1080425309184.

The previous prime is 2221122109979. The next prime is 2221122110003. The reversal of 2221122110002 is 2000112211222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1674381652441 + 546740457561 = 1293979^2 + 739419^2 .

It is not an unprimeable number, because it can be changed into a prime (2221122110003) 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, 2786668 + ... + 3493960.

Almost surely, 2^{2221122110002} is an apocalyptic number.

2221122110002 is a deficient number, since it is larger than the sum of its proper divisors (1202526009470).

2221122110002 is a wasteful number, since it uses less digits than its factorization.

2221122110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707662.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221122110002 its reverse (2000112211222), we get a palindrome (4221234321224).

The spelling of 2221122110002 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred ten thousand, two".