100441123049221 has 2 divisors, whose sum is σ = 100441123049222. Its totient is φ = 100441123049220.

The previous prime is 100441123049171. The next prime is 100441123049231. The reversal of 100441123049221 is 122940321144001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96841049416225 + 3600073632996 = 9840785^2 + 1897386^2 .

It is a cyclic number.

It is not a de Polignac number, because 100441123049221 - 2²⁵ = 100441089494789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100441123049231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50220561524610 + 50220561524611.

It is an arithmetic number, because the mean of its divisors is an integer number (50220561524611).

Almost surely, 2^{100441123049221} is an apocalyptic number.

It is an amenable number.

100441123049221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100441123049221 is an equidigital number, since it uses as much as digits as its factorization.

100441123049221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 100441123049221 in words is "one hundred trillion, four hundred forty-one billion, one hundred twenty-three million, forty-nine thousand, two hundred twenty-one".