1201111102208 has 36 divisors (see below), whose sum is σ = 2398131343608. Its totient is φ = 600405012480.

The previous prime is 1201111102207. The next prime is 1201111102271. The reversal of 1201111102208 is 8022011111021.

It is a happy number.

It is a super-4 number, since 4×1201111102208⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201111102208.

It is not an unprimeable number, because it can be changed into a prime (1201111102207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438728 + ... + 1610808.

Almost surely, 2^{1201111102208} is an apocalyptic number.

It is an amenable number.

1201111102208 is a deficient number, since it is larger than the sum of its proper divisors (1197020241400).

1201111102208 is an equidigital number, since it uses as much as digits as its factorization.

1201111102208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176100 (or 1176086 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 1201111102208 its reverse (8022011111021), we get a palindrome (9223122213229).

The spelling of 1201111102208 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, two hundred eight".