111201001010 has 32 divisors (see below), whose sum is σ = 220520314944. Its totient is φ = 40036360000.

The previous prime is 111201001003. The next prime is 111201001027. The reversal of 111201001010 is 10100102111.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4993436 + ... + 5015655.

It is an arithmetic number, because the mean of its divisors is an integer number (6891259842).

Almost surely, 2^111201001010 is an apocalyptic number.

111201001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111201001010 is a deficient number, since it is larger than the sum of its proper divisors (109319313934).

111201001010 is a wasteful number, since it uses less digits than its factorization.

111201001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009210.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111201001010 its reverse (10100102111), we get a palindrome (121301103121).

It can be divided in two parts, 11 and 1201001010, that added together give a palindrome (1201001021).

The spelling of 111201001010 in words is "one hundred eleven billion, two hundred one million, one thousand, ten".