221202000201023 has 2 divisors, whose sum is σ = 221202000201024. Its totient is φ = 221202000201022.

The previous prime is 221202000200981. The next prime is 221202000201031. The reversal of 221202000201023 is 320102000202122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221202000201023 - 2¹² = 221202000196927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221202000200992 and 221202000201010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221202000201223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110601000100511 + 110601000100512.

It is an arithmetic number, because the mean of its divisors is an integer number (110601000100512).

Almost surely, 2^{221202000201023} is an apocalyptic number.

221202000201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

221202000201023 is an equidigital number, since it uses as much as digits as its factorization.

221202000201023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221202000201023 its reverse (320102000202122), we get a palindrome (541304000403145).

The spelling of 221202000201023 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred one thousand, twenty-three".