2121222222002 has 16 divisors (see below), whose sum is σ = 3426724654080. Its totient is φ = 978987094992.

The previous prime is 2121222222001. The next prime is 2121222222043. The reversal of 2121222222002 is 2002222221212.

It is not an unprimeable number, because it can be changed into a prime (2121222222001) 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, 927602 + ... + 2258957.

It is an arithmetic number, because the mean of its divisors is an integer number (214170290880).

Almost surely, 2^{2121222222002} is an apocalyptic number.

2121222222002 is a deficient number, since it is larger than the sum of its proper divisors (1305502432078).

2121222222002 is a wasteful number, since it uses less digits than its factorization.

2121222222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212177.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2121222222002 its reverse (2002222221212), we get a palindrome (4123444443214).

The spelling of 2121222222002 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two".