111220020211010 has 16 divisors (see below), whose sum is σ = 200218830120576. Its totient is φ = 44482942808688.

The previous prime is 111220020211009. The next prime is 111220020211031. The reversal of 111220020211010 is 10112020022111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633067244 + ... + 633242903.

It is an arithmetic number, because the mean of its divisors is an integer number (12513676882536).

Almost surely, 2^{111220020211010} is an apocalyptic number.

111220020211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111220020211010 is a deficient number, since it is larger than the sum of its proper divisors (88998809909566).

111220020211010 is a wasteful number, since it uses less digits than its factorization.

111220020211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266318937.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111220020211010 its reverse (10112020022111), we get a palindrome (121332040233121).

The spelling of 111220020211010 in words is "one hundred eleven trillion, two hundred twenty billion, twenty million, two hundred eleven thousand, ten".