10221220201223 has 2 divisors, whose sum is σ = 10221220201224. Its totient is φ = 10221220201222.

The previous prime is 10221220201207. The next prime is 10221220201237. The reversal of 10221220201223 is 32210202212201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221220201223 - 2⁴ = 10221220201207 is a prime.

It is a super-2 number, since 2×10221220201223² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221220201195 and 10221220201204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221223201223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110610100611 + 5110610100612.

It is an arithmetic number, because the mean of its divisors is an integer number (5110610100612).

Almost surely, 2^{10221220201223} is an apocalyptic number.

10221220201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221220201223 is an equidigital number, since it uses as much as digits as its factorization.

10221220201223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10221220201223 its reverse (32210202212201), we get a palindrome (42431422413424).

The spelling of 10221220201223 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, two hundred one thousand, two hundred twenty-three".