100012222020031 has 4 divisors (see below), whose sum is σ = 105276023179000. Its totient is φ = 94748420861064.

The previous prime is 100012222019989. The next prime is 100012222020043. The reversal of 100012222020031 is 130020222210001.

It is a happy number.

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 100012222020031 - 2⁹ = 100012222019519 is a prime.

It is a super-3 number, since 3×100012222020031³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100012222019987 and 100012222020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012222420031) 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, 2631900579456 + ... + 2631900579493.

It is an arithmetic number, because the mean of its divisors is an integer number (26319005794750).

Almost surely, 2^{100012222020031} is an apocalyptic number.

100012222020031 is a deficient number, since it is larger than the sum of its proper divisors (5263801158969).

100012222020031 is an equidigital number, since it uses as much as digits as its factorization.

100012222020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263801158968.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100012222020031 its reverse (130020222210001), we get a palindrome (230032444230032).

The spelling of 100012222020031 in words is "one hundred trillion, twelve billion, two hundred twenty-two million, twenty thousand, thirty-one".