111020122012001 has 2 divisors, whose sum is σ = 111020122012002. Its totient is φ = 111020122012000.

The previous prime is 111020122011989. The next prime is 111020122012057. The reversal of 111020122012001 is 100210221020111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110062759566400 + 957362445601 = 10491080^2 + 978449^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020122012001 - 2¹⁰ = 111020122010977 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020122012801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510061006000 + 55510061006001.

It is an arithmetic number, because the mean of its divisors is an integer number (55510061006001).

Almost surely, 2^{111020122012001} is an apocalyptic number.

It is an amenable number.

111020122012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020122012001 is an equidigital number, since it uses as much as digits as its factorization.

111020122012001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111020122012001 its reverse (100210221020111), we get a palindrome (211230343032112).

The spelling of 111020122012001 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two million, twelve thousand, one".