110001001111021 has 2 divisors, whose sum is σ = 110001001111022. Its totient is φ = 110001001111020.

The previous prime is 110001001110901. The next prime is 110001001111081. The reversal of 110001001111021 is 120111100100011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102596539710025 + 7404461400996 = 10128995^2 + 2721114^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001001111021 - 2¹⁷ = 110001000979949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110001001110989 and 110001001111007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110001001111081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000500555510 + 55000500555511.

It is an arithmetic number, because the mean of its divisors is an integer number (55000500555511).

Almost surely, 2^{110001001111021} is an apocalyptic number.

It is an amenable number.

110001001111021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001001111021 is an equidigital number, since it uses as much as digits as its factorization.

110001001111021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 110001001111021 its reverse (120111100100011), we get a palindrome (230112101211032).

It can be divided in two parts, 11000100 and 1111021, that added together give a palindrome (12111121).

The spelling of 110001001111021 in words is "one hundred ten trillion, one billion, one million, one hundred eleven thousand, twenty-one".