100203035311123 has 16 divisors (see below), whose sum is σ = 105027201820800. Its totient is φ = 95512541670720.

The previous prime is 100203035311109. The next prime is 100203035311147. The reversal of 100203035311123 is 321113530302001.

It is a cyclic number.

It is not a de Polignac number, because 100203035311123 - 2³⁷ = 100065596357651 is a prime.

It is a super-2 number, since 2×100203035311123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100203035311723) 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, 126671133 + ... + 127459726.

It is an arithmetic number, because the mean of its divisors is an integer number (6564200113800).

Almost surely, 2^{100203035311123} is an apocalyptic number.

100203035311123 is a deficient number, since it is larger than the sum of its proper divisors (4824166509677).

100203035311123 is a wasteful number, since it uses less digits than its factorization.

100203035311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254131122.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 100203035311123 its reverse (321113530302001), we get a palindrome (421316565613124).

The spelling of 100203035311123 in words is "one hundred trillion, two hundred three billion, thirty-five million, three hundred eleven thousand, one hundred twenty-three".