2222121111010 has 16 divisors (see below), whose sum is σ = 4235101411896. Its totient is φ = 836563241728.

The previous prime is 2222121110983. The next prime is 2222121111107. The reversal of 2222121111010 is 101111212222.

It can be written as a sum of positive squares in 4 ways, for example, as 2066340125529 + 155780985481 = 1437477^2 + 394691^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6535650157 + ... + 6535650496.

Almost surely, 2^{2222121111010} is an apocalyptic number.

2222121111010 is a deficient number, since it is larger than the sum of its proper divisors (2012980300886).

2222121111010 is a wasteful number, since it uses less digits than its factorization.

2222121111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071300677.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2222121111010 its reverse (101111212222), we get a palindrome (2323232323232).

The spelling of 2222121111010 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, ten".