202121001100229 has 2 divisors, whose sum is σ = 202121001100230. Its totient is φ = 202121001100228.

The previous prime is 202121001100177. The next prime is 202121001100243. The reversal of 202121001100229 is 922001100121202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187518652125025 + 14602348975204 = 13693745^2 + 3821302^2 .

It is a cyclic number.

It is not a de Polignac number, because 202121001100229 - 2⁸ = 202121001099973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202121001106229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060500550114 + 101060500550115.

It is an arithmetic number, because the mean of its divisors is an integer number (101060500550115).

Almost surely, 2^{202121001100229} is an apocalyptic number.

It is an amenable number.

202121001100229 is a deficient number, since it is larger than the sum of its proper divisors (1).

202121001100229 is an equidigital number, since it uses as much as digits as its factorization.

202121001100229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 202121001100229 in words is "two hundred two trillion, one hundred twenty-one billion, one million, one hundred thousand, two hundred twenty-nine".