21022201283 has 2 divisors, whose sum is σ = 21022201284. Its totient is φ = 21022201282.

The previous prime is 21022201259. The next prime is 21022201349. The reversal of 21022201283 is 38210222012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21022201283 - 2¹² = 21022197187 is a prime.

It is not a weakly prime, because it can be changed into another prime (21022201253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511100641 + 10511100642.

It is an arithmetic number, because the mean of its divisors is an integer number (10511100642).

Almost surely, 2^21022201283 is an apocalyptic number.

21022201283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022201283 is an equidigital number, since it uses as much as digits as its factorization.

21022201283 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 23.

Adding to 21022201283 its reverse (38210222012), we get a palindrome (59232423295).

The spelling of 21022201283 in words is "twenty-one billion, twenty-two million, two hundred one thousand, two hundred eighty-three".