100301121231 has 4 divisors (see below), whose sum is σ = 133734828312. Its totient is φ = 66867414152.

The previous prime is 100301121229. The next prime is 100301121233. The reversal of 100301121231 is 132121103001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132121103001 = 3 ⋅44040367667.

It is an interprime number because it is at equal distance from previous prime (100301121229) and next prime (100301121233).

It is a cyclic number.

It is not a de Polignac number, because 100301121231 - 2¹ = 100301121229 is a prime.

It is a super-2 number, since 2×100301121231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100301121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100301121233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16716853536 + ... + 16716853541.

It is an arithmetic number, because the mean of its divisors is an integer number (33433707078).

Almost surely, 2^100301121231 is an apocalyptic number.

100301121231 is a deficient number, since it is larger than the sum of its proper divisors (33433707081).

100301121231 is an equidigital number, since it uses as much as digits as its factorization.

100301121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33433707080.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100301121231 its reverse (132121103001), we get a palindrome (232422224232).

The spelling of 100301121231 in words is "one hundred billion, three hundred one million, one hundred twenty-one thousand, two hundred thirty-one".