100121233020331 has 4 divisors (see below), whose sum is σ = 100130463346752. Its totient is φ = 100112002693912.

The previous prime is 100121233020301. The next prime is 100121233020349. The reversal of 100121233020331 is 133020332121001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100121233020331 - 2¹⁷ = 100121232889259 is a prime.

It is a super-2 number, since 2×100121233020331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121233020301) 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, 4615146940 + ... + 4615168633.

It is an arithmetic number, because the mean of its divisors is an integer number (25032615836688).

Almost surely, 2^{100121233020331} is an apocalyptic number.

100121233020331 is a deficient number, since it is larger than the sum of its proper divisors (9230326421).

100121233020331 is an equidigital number, since it uses as much as digits as its factorization.

100121233020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230326420.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 100121233020331 its reverse (133020332121001), we get a palindrome (233141565141332).

The spelling of 100121233020331 in words is "one hundred trillion, one hundred twenty-one billion, two hundred thirty-three million, twenty thousand, three hundred thirty-one".