22022121210002 has 8 divisors (see below), whose sum is σ = 34976310157116. Its totient is φ = 10363351157632.

The previous prime is 22022121209993. The next prime is 22022121210071. The reversal of 22022121210002 is 20001212122022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16318521665161 + 5703599544841 = 4039619^2 + 2388221^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 323854723643 + ... + 323854723710.

Almost surely, 2^{22022121210002} is an apocalyptic number.

22022121210002 is a deficient number, since it is larger than the sum of its proper divisors (12954188947114).

22022121210002 is a wasteful number, since it uses less digits than its factorization.

22022121210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647709447372.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22022121210002 its reverse (20001212122022), we get a palindrome (42023333332024).

The spelling of 22022121210002 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-one million, two hundred ten thousand, two".