10212111122222 has 16 divisors (see below), whose sum is σ = 15498578303280. Its totient is φ = 5045979816768.

The previous prime is 10212111122203. The next prime is 10212111122267. The reversal of 10212111122222 is 22222111121201.

10212111122222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10212111122222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212111122194 and 10212111122203.

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, 15032273 + ... + 15696924.

It is an arithmetic number, because the mean of its divisors is an integer number (968661143955).

Almost surely, 2^{10212111122222} is an apocalyptic number.

10212111122222 is a deficient number, since it is larger than the sum of its proper divisors (5286467181058).

10212111122222 is a wasteful number, since it uses less digits than its factorization.

10212111122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30731155.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10212111122222 its reverse (22222111121201), we get a palindrome (32434222243423).

The spelling of 10212111122222 in words is "ten trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".