111012221212113 has 16 divisors (see below), whose sum is σ = 159402466334720. Its totient is φ = 68315083392384.

The previous prime is 111012221212111. The next prime is 111012221212117. The reversal of 111012221212113 is 311212122210111.

It is not a de Polignac number, because 111012221212113 - 2¹ = 111012221212111 is a prime.

It is a super-2 number, since 2×111012221212113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111012221212113.

It is not an unprimeable number, because it can be changed into a prime (111012221212111) 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, 20669808 + ... + 25480686.

It is an arithmetic number, because the mean of its divisors is an integer number (9962654145920).

Almost surely, 2^{111012221212113} is an apocalyptic number.

111012221212113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111012221212113 is a deficient number, since it is larger than the sum of its proper divisors (48390245122607).

111012221212113 is a wasteful number, since it uses less digits than its factorization.

111012221212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402568.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 111012221212113 its reverse (311212122210111), we get a palindrome (422224343422224).

The spelling of 111012221212113 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred thirteen".