120011211021222 has 24 divisors (see below), whose sum is σ = 260024746461480. Its totient is φ = 40003666866240.

The previous prime is 120011211021197. The next prime is 120011211021269. The reversal of 120011211021222 is 222120112110021.

120011211021222 is a `hidden beast` number, since 1 + 200 + 11 + 211 + 0 + 21 + 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 = 120011211021195 and 120011211021204.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5278222 + ... + 16367102.

It is an arithmetic number, because the mean of its divisors is an integer number (10834364435895).

Almost surely, 2^{120011211021222} is an apocalyptic number.

120011211021222 is an abundant number, since it is smaller than the sum of its proper divisors (140013535440258).

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

120011211021222 is a wasteful number, since it uses less digits than its factorization.

120011211021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690148 (or 11690145 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120011211021222 its reverse (222120112110021), we get a palindrome (342131323131243).

The spelling of 120011211021222 in words is "one hundred twenty trillion, eleven billion, two hundred eleven million, twenty-one thousand, two hundred twenty-two".