120000021103 has 8 divisors (see below), whose sum is σ = 122977189440. Its totient is φ = 117025249920.

The previous prime is 120000021079. The next prime is 120000021109. The reversal of 120000021103 is 301120000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120000021103 - 2²¹ = 119997923951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120000021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000021109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497718 + ... + 698371.

It is an arithmetic number, because the mean of its divisors is an integer number (15372148680).

Almost surely, 2^120000021103 is an apocalyptic number.

120000021103 is a deficient number, since it is larger than the sum of its proper divisors (2977168337).

120000021103 is a wasteful number, since it uses less digits than its factorization.

120000021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198577.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 120000021103 its reverse (301120000021), we get a palindrome (421120021124).

The spelling of 120000021103 in words is "one hundred twenty billion, twenty-one thousand, one hundred three".