2111402433401 has 2 divisors, whose sum is σ = 2111402433402. Its totient is φ = 2111402433400.

The previous prime is 2111402433379. The next prime is 2111402433409. The reversal of 2111402433401 is 1043342041112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1470153825001 + 641248608400 = 1212499^2 + 800780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111402433401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111402433409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055701216700 + 1055701216701.

It is an arithmetic number, because the mean of its divisors is an integer number (1055701216701).

Almost surely, 2^{2111402433401} is an apocalyptic number.

It is an amenable number.

2111402433401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111402433401 is an equidigital number, since it uses as much as digits as its factorization.

2111402433401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 2111402433401 its reverse (1043342041112), we get a palindrome (3154744474513).

The spelling of 2111402433401 in words is "two trillion, one hundred eleven billion, four hundred two million, four hundred thirty-three thousand, four hundred one".