222121220211002 has 8 divisors (see below), whose sum is σ = 380779234647456. Its totient is φ = 95194808661852.

The previous prime is 222121220210987. The next prime is 222121220211043. The reversal of 222121220211002 is 200112022121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7932900721808 + ... + 7932900721835.

It is an arithmetic number, because the mean of its divisors is an integer number (47597404330932).

Almost surely, 2^{222121220211002} is an apocalyptic number.

222121220211002 is a deficient number, since it is larger than the sum of its proper divisors (158658014436454).

222121220211002 is a wasteful number, since it uses less digits than its factorization.

222121220211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865801443652.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222121220211002 its reverse (200112022121222), we get a palindrome (422233242332224).

The spelling of 222121220211002 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred twenty million, two hundred eleven thousand, two".