102003211123 has 8 divisors (see below), whose sum is σ = 111686846976. Its totient is φ = 92388011400.

The previous prime is 102003211111. The next prime is 102003211139. The reversal of 102003211123 is 321112300201.

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 102003211123 - 2²¹ = 102001113971 is a prime.

It is a super-2 number, since 2×102003211123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102003211097 and 102003211106.

It is not an unprimeable number, because it can be changed into a prime (102003217123) 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, 17105911 + ... + 17111872.

It is an arithmetic number, because the mean of its divisors is an integer number (13960855872).

Almost surely, 2^102003211123 is an apocalyptic number.

102003211123 is a deficient number, since it is larger than the sum of its proper divisors (9683635853).

102003211123 is a wasteful number, since it uses less digits than its factorization.

102003211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34218065.

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

Adding to 102003211123 its reverse (321112300201), we get a palindrome (423115511324).

The spelling of 102003211123 in words is "one hundred two billion, three million, two hundred eleven thousand, one hundred twenty-three".