223020210102121 has 2 divisors, whose sum is σ = 223020210102122. Its totient is φ = 223020210102120.

The previous prime is 223020210102089. The next prime is 223020210102257. The reversal of 223020210102121 is 121201012020322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203990234725225 + 19029975376896 = 14282515^2 + 4362336^2 .

It is a cyclic number.

It is not a de Polignac number, because 223020210102121 - 2⁵ = 223020210102089 is a prime.

It is a super-2 number, since 2×223020210102121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223020210112121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510105051060 + 111510105051061.

It is an arithmetic number, because the mean of its divisors is an integer number (111510105051061).

Almost surely, 2^{223020210102121} is an apocalyptic number.

It is an amenable number.

223020210102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

223020210102121 is an equidigital number, since it uses as much as digits as its factorization.

223020210102121 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 19.

Adding to 223020210102121 its reverse (121201012020322), we get a palindrome (344221222122443).

The spelling of 223020210102121 in words is "two hundred twenty-three trillion, twenty billion, two hundred ten million, one hundred two thousand, one hundred twenty-one".