111201222101010 has 16 divisors (see below), whose sum is σ = 266882933042496. Its totient is φ = 29653659226928.

The previous prime is 111201222101009. The next prime is 111201222101023. The reversal of 111201222101010 is 10101222102111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853353701654 + ... + 1853353701713.

It is an arithmetic number, because the mean of its divisors is an integer number (16680183315156).

Almost surely, 2^{111201222101010} is an apocalyptic number.

111201222101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111201222101010 is an abundant number, since it is smaller than the sum of its proper divisors (155681710941486).

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

111201222101010 is a wasteful number, since it uses less digits than its factorization.

111201222101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706707403377.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111201222101010 its reverse (10101222102111), we get a palindrome (121302444203121).

The spelling of 111201222101010 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty-two million, one hundred one thousand, ten".