123021103102 has 16 divisors (see below), whose sum is σ = 185579301600. Its totient is φ = 61161737472.

The previous prime is 123021103061. The next prime is 123021103147. The reversal of 123021103102 is 201301120321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518578 + ... + 717610.

It is an arithmetic number, because the mean of its divisors is an integer number (11598706350).

Almost surely, 2^123021103102 is an apocalyptic number.

123021103102 is a deficient number, since it is larger than the sum of its proper divisors (62558198498).

123021103102 is a wasteful number, since it uses less digits than its factorization.

123021103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200787.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123021103102 its reverse (201301120321), we get a palindrome (324322223423).

The spelling of 123021103102 in words is "one hundred twenty-three billion, twenty-one million, one hundred three thousand, one hundred two".