112112111150021 has 2 divisors, whose sum is σ = 112112111150022. Its totient is φ = 112112111150020.

The previous prime is 112112111149957. The next prime is 112112111150111. The reversal of 112112111150021 is 120051111211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110574793857025 + 1537317292996 = 10515455^2 + 1239886^2 .

It is an emirp because it is prime and its reverse (120051111211211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112112111150021 - 2⁶ = 112112111149957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112112111149975 and 112112111150002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112112111750021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056055575010 + 56056055575011.

It is an arithmetic number, because the mean of its divisors is an integer number (56056055575011).

Almost surely, 2^{112112111150021} is an apocalyptic number.

It is an amenable number.

112112111150021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112111150021 is an equidigital number, since it uses as much as digits as its factorization.

112112111150021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 20.

Adding to 112112111150021 its reverse (120051111211211), we get a palindrome (232163222361232).

The spelling of 112112111150021 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred eleven million, one hundred fifty thousand, twenty-one".