123102111020241 has 16 divisors (see below), whose sum is σ = 164585236425984. Its totient is φ = 81843534845184.

The previous prime is 123102111020237. The next prime is 123102111020243. The reversal of 123102111020241 is 142020111201321.

It is not a de Polignac number, because 123102111020241 - 2² = 123102111020237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123102111020243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105438025 + ... + 106599161.

It is an arithmetic number, because the mean of its divisors is an integer number (10286577276624).

Almost surely, 2^{123102111020241} is an apocalyptic number.

It is an amenable number.

123102111020241 is a deficient number, since it is larger than the sum of its proper divisors (41483125405743).

123102111020241 is a wasteful number, since it uses less digits than its factorization.

123102111020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257800.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 123102111020241 its reverse (142020111201321), we get a palindrome (265122222221562).

The spelling of 123102111020241 in words is "one hundred twenty-three trillion, one hundred two billion, one hundred eleven million, twenty thousand, two hundred forty-one".