21021100122283 has 2 divisors, whose sum is σ = 21021100122284. Its totient is φ = 21021100122282.

The previous prime is 21021100122131. The next prime is 21021100122289. The reversal of 21021100122283 is 38222100112012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21021100122283 - 2⁴¹ = 18822076866731 is a prime.

It is not a weakly prime, because it can be changed into another prime (21021100122289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510550061141 + 10510550061142.

It is an arithmetic number, because the mean of its divisors is an integer number (10510550061142).

Almost surely, 2^{21021100122283} is an apocalyptic number.

21021100122283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21021100122283 is an equidigital number, since it uses as much as digits as its factorization.

21021100122283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 21021100122283 its reverse (38222100112012), we get a palindrome (59243200234295).

The spelling of 21021100122283 in words is "twenty-one trillion, twenty-one billion, one hundred million, one hundred twenty-two thousand, two hundred eighty-three".