121100022103 has 2 divisors, whose sum is σ = 121100022104. Its totient is φ = 121100022102.

The previous prime is 121100022101. The next prime is 121100022143. The reversal of 121100022103 is 301220001121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121100022103 - 2¹ = 121100022101 is a prime.

Together with 121100022101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121100022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550011051 + 60550011052.

It is an arithmetic number, because the mean of its divisors is an integer number (60550011052).

Almost surely, 2^121100022103 is an apocalyptic number.

121100022103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100022103 is an equidigital number, since it uses as much as digits as its factorization.

121100022103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121100022103 its reverse (301220001121), we get a palindrome (422320023224).

The spelling of 121100022103 in words is "one hundred twenty-one billion, one hundred million, twenty-two thousand, one hundred three".