120011210022222 has 24 divisors (see below), whose sum is σ = 260215342283520. Its totient is φ = 39974343766080.

The previous prime is 120011210022203. The next prime is 120011210022227. The reversal of 120011210022222 is 222220012110021.

It is a happy number.

120011210022222 is a `hidden beast` number, since 1 + 200 + 11 + 210 + 0 + 22 + 222 = 666.

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 = 120011210022195 and 120011210022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011210022227) 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, 2449383822 + ... + 2449432817.

It is an arithmetic number, because the mean of its divisors is an integer number (10842305928480).

Almost surely, 2^{120011210022222} is an apocalyptic number.

120011210022222 is an abundant number, since it is smaller than the sum of its proper divisors (140204132261298).

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

120011210022222 is a wasteful number, since it uses less digits than its factorization.

120011210022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898818008 (or 4898818005 counting only the distinct ones).

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

Adding to 120011210022222 its reverse (222220012110021), we get a palindrome (342231222132243).

The spelling of 120011210022222 in words is "one hundred twenty trillion, eleven billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".