101221022263 has 2 divisors, whose sum is σ = 101221022264. Its totient is φ = 101221022262.

The previous prime is 101221022191. The next prime is 101221022303. The reversal of 101221022263 is 362220122101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101221022263 is a prime.

It is a super-3 number, since 3×101221022263³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221022663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610511131 + 50610511132.

It is an arithmetic number, because the mean of its divisors is an integer number (50610511132).

Almost surely, 2^101221022263 is an apocalyptic number.

101221022263 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221022263 is an equidigital number, since it uses as much as digits as its factorization.

101221022263 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 22.

Adding to 101221022263 its reverse (362220122101), we get a palindrome (463441144364).

The spelling of 101221022263 in words is "one hundred one billion, two hundred twenty-one million, twenty-two thousand, two hundred sixty-three".