121222221022103 has 2 divisors, whose sum is σ = 121222221022104. Its totient is φ = 121222221022102.

The previous prime is 121222221021997. The next prime is 121222221022127. The reversal of 121222221022103 is 301220122222121.

It is a strong prime.

It is an emirp because it is prime and its reverse (301220122222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121222221022103 - 2¹⁶ = 121222220956567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222221022703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611110511051 + 60611110511052.

It is an arithmetic number, because the mean of its divisors is an integer number (60611110511052).

Almost surely, 2^{121222221022103} is an apocalyptic number.

121222221022103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222221022103 is an equidigital number, since it uses as much as digits as its factorization.

121222221022103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121222221022103 its reverse (301220122222121), we get a palindrome (422442343244224).

The spelling of 121222221022103 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, one hundred three".