100220021249 has 2 divisors, whose sum is σ = 100220021250. Its totient is φ = 100220021248.

The previous prime is 100220021227. The next prime is 100220021261. The reversal of 100220021249 is 942120022001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82406314225 + 17813707024 = 287065^2 + 133468^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220021249 - 2¹⁶ = 100219955713 is a prime.

It is not a weakly prime, because it can be changed into another prime (100220021269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110010624 + 50110010625.

It is an arithmetic number, because the mean of its divisors is an integer number (50110010625).

Almost surely, 2^100220021249 is an apocalyptic number.

It is an amenable number.

100220021249 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220021249 is an equidigital number, since it uses as much as digits as its factorization.

100220021249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 100220021249 in words is "one hundred billion, two hundred twenty million, twenty-one thousand, two hundred forty-nine".