111212020000011 has 32 divisors (see below), whose sum is σ = 171878339363328. Its totient is φ = 62650475078400.

The previous prime is 111212019999959. The next prime is 111212020000019. The reversal of 111212020000011 is 110000020212111.

It is not a de Polignac number, because 111212020000011 - 2⁹ = 111212019999499 is a prime.

It is a super-2 number, since 2×111212020000011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111212020000019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112024621 + ... + 113013006.

It is an arithmetic number, because the mean of its divisors is an integer number (5371198105104).

Almost surely, 2^{111212020000011} is an apocalyptic number.

111212020000011 is a deficient number, since it is larger than the sum of its proper divisors (60666319363317).

111212020000011 is a wasteful number, since it uses less digits than its factorization.

111212020000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225037971.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111212020000011 its reverse (110000020212111), we get a palindrome (221212040212122).

The spelling of 111212020000011 in words is "one hundred eleven trillion, two hundred twelve billion, twenty million, eleven", and thus it is an aban number.