10111220202222 has 24 divisors (see below), whose sum is σ = 21908771408160. Its totient is φ = 3370233251520.

The previous prime is 10111220202221. The next prime is 10111220202227. The reversal of 10111220202222 is 22220202211101.

It is a happy number.

10111220202222 is a `hidden beast` number, since 10 + 1 + 11 + 220 + 202 + 222 = 666.

10111220202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10111220202195 and 10111220202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111220202221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14097222 + ... + 14797097.

It is an arithmetic number, because the mean of its divisors is an integer number (912865475340).

Almost surely, 2^{10111220202222} is an apocalyptic number.

10111220202222 is an abundant number, since it is smaller than the sum of its proper divisors (11797551205938).

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

10111220202222 is a wasteful number, since it uses less digits than its factorization.

10111220202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28913768 (or 28913765 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10111220202222 its reverse (22220202211101), we get a palindrome (32331422413323).

The spelling of 10111220202222 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".