1201111102270 has 16 divisors (see below), whose sum is σ = 2181132729360. Its totient is φ = 476192719744.

The previous prime is 1201111102207. The next prime is 1201111102271. The reversal of 1201111102270 is 722011111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201111102271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531463960 + ... + 531466219.

It is an arithmetic number, because the mean of its divisors is an integer number (136320795585).

Almost surely, 2^{1201111102270} is an apocalyptic number.

1201111102270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201111102270 is a deficient number, since it is larger than the sum of its proper divisors (980021627090).

1201111102270 is a wasteful number, since it uses less digits than its factorization.

1201111102270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062930299.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 1201111102270 its reverse (722011111021), we get a palindrome (1923122213291).

The spelling of 1201111102270 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, two hundred seventy".