22001120101210 has 16 divisors (see below), whose sum is σ = 39668798682216. Its totient is φ = 8785607484928.

The previous prime is 22001120101153. The next prime is 22001120101217. The reversal of 22001120101210 is 1210102110022.

It can be written as a sum of positive squares in 4 ways, for example, as 15393593300089 + 6607526801121 = 3923467^2 + 2570511^2 .

It is not an unprimeable number, because it can be changed into a prime (22001120101217) 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, 1855063219 + ... + 1855075078.

Almost surely, 2^{22001120101210} is an apocalyptic number.

22001120101210 is a deficient number, since it is larger than the sum of its proper divisors (17667678581006).

22001120101210 is a wasteful number, since it uses less digits than its factorization.

22001120101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710138897.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22001120101210 its reverse (1210102110022), we get a palindrome (23211222211232).

The spelling of 22001120101210 in words is "twenty-two trillion, one billion, one hundred twenty million, one hundred one thousand, two hundred ten".