121220023103 has 2 divisors, whose sum is σ = 121220023104. Its totient is φ = 121220023102.

The previous prime is 121220023097. The next prime is 121220023109. The reversal of 121220023103 is 301320022121.

It is a balanced prime because it is at equal distance from previous prime (121220023097) and next prime (121220023109).

It is a cyclic number.

It is not a de Polignac number, because 121220023103 - 2⁶ = 121220023039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121220023109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610011551 + 60610011552.

It is an arithmetic number, because the mean of its divisors is an integer number (60610011552).

Almost surely, 2^121220023103 is an apocalyptic number.

121220023103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220023103 is an equidigital number, since it uses as much as digits as its factorization.

121220023103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121220023103 its reverse (301320022121), we get a palindrome (422540045224).

The spelling of 121220023103 in words is "one hundred twenty-one billion, two hundred twenty million, twenty-three thousand, one hundred three".