111220212011000 has 64 divisors (see below), whose sum is σ = 273952943316000. Its totient is φ = 42146606649600.

The previous prime is 111220212010931. The next prime is 111220212011003. The reversal of 111220212011000 is 110212022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220212011003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2926828685 + ... + 2926866684.

Almost surely, 2^{111220212011000} is an apocalyptic number.

111220212011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220212011000 is an abundant number, since it is smaller than the sum of its proper divisors (162732731305000).

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

111220212011000 is a wasteful number, since it uses less digits than its factorization.

111220212011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853695409 (or 5853695395 counting only the distinct ones).

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

Adding to 111220212011000 its reverse (110212022111), we get a palindrome (111330424033111).

The spelling of 111220212011000 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twelve million, eleven thousand".