10000121100222 has 16 divisors (see below), whose sum is σ = 21818446036992. Its totient is φ = 3030339727320.

The previous prime is 10000121100199. The next prime is 10000121100227. The reversal of 10000121100222 is 22200112100001.

It is a junction number, because it is equal to n+sod(n) for n = 10000121100198 and 10000121100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000121100227) 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, 75758493118 + ... + 75758493249.

It is an arithmetic number, because the mean of its divisors is an integer number (1363652877312).

Almost surely, 2^{10000121100222} is an apocalyptic number.

10000121100222 is an abundant number, since it is smaller than the sum of its proper divisors (11818324936770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10000121100222 is a wasteful number, since it uses less digits than its factorization.

10000121100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151516986383.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10000121100222 its reverse (22200112100001), we get a palindrome (32200233200223).

The spelling of 10000121100222 in words is "ten trillion, one hundred twenty-one million, one hundred thousand, two hundred twenty-two".