10202111222222 has 16 divisors (see below), whose sum is σ = 15352743510000. Its totient is φ = 5084547552000.

The previous prime is 10202111222153. The next prime is 10202111222227. The reversal of 10202111222222 is 22222211120201.

It is a junction number, because it is equal to n+sod(n) for n = 10202111222194 and 10202111222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202111222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207779 + ... + 5540222.

It is an arithmetic number, because the mean of its divisors is an integer number (959546469375).

Almost surely, 2^{10202111222222} is an apocalyptic number.

10202111222222 is a deficient number, since it is larger than the sum of its proper divisors (5150632287778).

10202111222222 is a wasteful number, since it uses less digits than its factorization.

10202111222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749891.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10202111222222 its reverse (22222211120201), we get a palindrome (32424322342423).

The spelling of 10202111222222 in words is "ten trillion, two hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".