120211111102 has 4 divisors (see below), whose sum is σ = 180316666656. Its totient is φ = 60105555550.

The previous prime is 120211111099. The next prime is 120211111103. The reversal of 120211111102 is 201111112021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×120211111102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211111103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30052777774 + ... + 30052777777.

It is an arithmetic number, because the mean of its divisors is an integer number (45079166664).

Almost surely, 2^120211111102 is an apocalyptic number.

120211111102 is a deficient number, since it is larger than the sum of its proper divisors (60105555554).

120211111102 is an equidigital number, since it uses as much as digits as its factorization.

120211111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60105555553.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120211111102 its reverse (201111112021), we get a palindrome (321322223123).

The spelling of 120211111102 in words is "one hundred twenty billion, two hundred eleven million, one hundred eleven thousand, one hundred two".