2144100248021 has 2 divisors, whose sum is σ = 2144100248022. Its totient is φ = 2144100248020.

The previous prime is 2144100247979. The next prime is 2144100248057. The reversal of 2144100248021 is 1208420014412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1782863187121 + 361237060900 = 1335239^2 + 601030^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144100248021 - 2²² = 2144096053717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144100241021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072050124010 + 1072050124011.

It is an arithmetic number, because the mean of its divisors is an integer number (1072050124011).

Almost surely, 2^{2144100248021} is an apocalyptic number.

It is an amenable number.

2144100248021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144100248021 is an equidigital number, since it uses as much as digits as its factorization.

2144100248021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 2144100248021 in words is "two trillion, one hundred forty-four billion, one hundred million, two hundred forty-eight thousand, twenty-one".