102011003200123 has 32 divisors (see below), whose sum is σ = 108319080185856. Its totient is φ = 95866848731808.

The previous prime is 102011003200121. The next prime is 102011003200129. The reversal of 102011003200123 is 321002300110201.

It is a cyclic number.

It is not a de Polignac number, because 102011003200123 - 2¹ = 102011003200121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102011003200097 and 102011003200106.

It is not an unprimeable number, because it can be changed into a prime (102011003200121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1574624590 + ... + 1574689372.

It is an arithmetic number, because the mean of its divisors is an integer number (3384971255808).

Almost surely, 2^{102011003200123} is an apocalyptic number.

102011003200123 is a deficient number, since it is larger than the sum of its proper divisors (6308076985733).

102011003200123 is a wasteful number, since it uses less digits than its factorization.

102011003200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67543.

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

Adding to 102011003200123 its reverse (321002300110201), we get a palindrome (423013303310324).

The spelling of 102011003200123 in words is "one hundred two trillion, eleven billion, three million, two hundred thousand, one hundred twenty-three".