111021212100011 has 16 divisors (see below), whose sum is σ = 115603871755008. Its totient is φ = 106504928524800.

The previous prime is 111021212099977. The next prime is 111021212100091. The reversal of 111021212100011 is 110001212120111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111021212100011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021212100091) 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, 29851346 + ... + 33363831.

It is an arithmetic number, because the mean of its divisors is an integer number (7225241984688).

Almost surely, 2^{111021212100011} is an apocalyptic number.

111021212100011 is a deficient number, since it is larger than the sum of its proper divisors (4582659654997).

111021212100011 is a wasteful number, since it uses less digits than its factorization.

111021212100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63215702.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111021212100011 its reverse (110001212120111), we get a palindrome (221022424220122).

The spelling of 111021212100011 in words is "one hundred eleven trillion, twenty-one billion, two hundred twelve million, one hundred thousand, eleven".