111100010401 has 2 divisors, whose sum is σ = 111100010402. Its totient is φ = 111100010400.

The previous prime is 111100010387. The next prime is 111100010419. The reversal of 111100010401 is 104010001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103683356001 + 7416654400 = 321999^2 + 86120^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100010401 - 2¹⁵ = 111099977633 is a prime.

It is a super-2 number, since 2×111100010401² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111100010431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550005200 + 55550005201.

It is an arithmetic number, because the mean of its divisors is an integer number (55550005201).

Almost surely, 2^111100010401 is an apocalyptic number.

It is an amenable number.

111100010401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100010401 is an equidigital number, since it uses as much as digits as its factorization.

111100010401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111100010401 its reverse (104010001111), we get a palindrome (215110011512).

The spelling of 111100010401 in words is "one hundred eleven billion, one hundred million, ten thousand, four hundred one".