10001121001222 has 32 divisors (see below), whose sum is σ = 18006305032800. Its totient is φ = 4115726857728.

The previous prime is 10001121001219. The next prime is 10001121001247. The reversal of 10001121001222 is 22210012110001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 595438197 + ... + 595454992.

It is an arithmetic number, because the mean of its divisors is an integer number (562697032275).

Almost surely, 2^{10001121001222} is an apocalyptic number.

10001121001222 is a deficient number, since it is larger than the sum of its proper divisors (8005184031578).

10001121001222 is a wasteful number, since it uses less digits than its factorization.

10001121001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190893240.

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

Adding to 10001121001222 its reverse (22210012110001), we get a palindrome (32211133111223).

The spelling of 10001121001222 in words is "ten trillion, one billion, one hundred twenty-one million, one thousand, two hundred twenty-two".