120230211221 has 2 divisors, whose sum is σ = 120230211222. Its totient is φ = 120230211220.

The previous prime is 120230211191. The next prime is 120230211229. The reversal of 120230211221 is 122112032021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119015340196 + 1214871025 = 344986^2 + 34855^2 .

It is a cyclic number.

It is not a de Polignac number, because 120230211221 - 2²⁶ = 120163102357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120230211221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120230211229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60115105610 + 60115105611.

It is an arithmetic number, because the mean of its divisors is an integer number (60115105611).

Almost surely, 2^120230211221 is an apocalyptic number.

It is an amenable number.

120230211221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120230211221 is an equidigital number, since it uses as much as digits as its factorization.

120230211221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120230211221 its reverse (122112032021), we get a palindrome (242342243242).

It can be divided in two parts, 12023021 and 1221, that multiplied together give a palindrome (14680108641).

The spelling of 120230211221 in words is "one hundred twenty billion, two hundred thirty million, two hundred eleven thousand, two hundred twenty-one".