111022012011121 has 16 divisors (see below), whose sum is σ = 117004444480000. Its totient is φ = 105053570856576.

The previous prime is 111022012011107. The next prime is 111022012011133. The reversal of 111022012011121 is 121110210220111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111022012011121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111022012011095 and 111022012011104.

It is not an unprimeable number, because it can be changed into a prime (111022012011161) 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, 52742095 + ... + 54806683.

It is an arithmetic number, because the mean of its divisors is an integer number (7312777780000).

Almost surely, 2^{111022012011121} is an apocalyptic number.

It is an amenable number.

111022012011121 is a deficient number, since it is larger than the sum of its proper divisors (5982432468879).

111022012011121 is a wasteful number, since it uses less digits than its factorization.

111022012011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067976.

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

Adding to 111022012011121 its reverse (121110210220111), we get a palindrome (232132222231232).

The spelling of 111022012011121 in words is "one hundred eleven trillion, twenty-two billion, twelve million, eleven thousand, one hundred twenty-one".