111002021202001 has 2 divisors, whose sum is σ = 111002021202002. Its totient is φ = 111002021202000.

The previous prime is 111002021201957. The next prime is 111002021202011. The reversal of 111002021202001 is 100202120200111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103855359993025 + 7146661208976 = 10190945^2 + 2673324^2 .

It is a cyclic number.

It is not a de Polignac number, because 111002021202001 - 2³³ = 110993431267409 is a prime.

It is a super-3 number, since 3×111002021202001³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111002021202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501010601000 + 55501010601001.

It is an arithmetic number, because the mean of its divisors is an integer number (55501010601001).

Almost surely, 2^{111002021202001} is an apocalyptic number.

It is an amenable number.

111002021202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002021202001 is an equidigital number, since it uses as much as digits as its factorization.

111002021202001 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 13.

Adding to 111002021202001 its reverse (100202120200111), we get a palindrome (211204141402112).

It can be divided in two parts, 11 and 1002021202001, that multiplied together give a palindrome (11022233222011).

The spelling of 111002021202001 in words is "one hundred eleven trillion, two billion, twenty-one million, two hundred two thousand, one".