10002100121222 has 16 divisors (see below), whose sum is σ = 17078684792832. Its totient is φ = 4348739182920.

The previous prime is 10002100121177. The next prime is 10002100121239. The reversal of 10002100121222 is 22212100120001.

It is a junction number, because it is equal to n+sod(n) for n = 10002100121197 and 10002100121206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9883497638 + ... + 9883498649.

It is an arithmetic number, because the mean of its divisors is an integer number (1067417799552).

Almost surely, 2^{10002100121222} is an apocalyptic number.

10002100121222 is a deficient number, since it is larger than the sum of its proper divisors (7076584671610).

10002100121222 is a wasteful number, since it uses less digits than its factorization.

10002100121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19766996323.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10002100121222 its reverse (22212100120001), we get a palindrome (32214200241223).

The spelling of 10002100121222 in words is "ten trillion, two billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-two".