103312112122021 has 16 divisors (see below), whose sum is σ = 117604950589440. Its totient is φ = 89836123439920.

The previous prime is 103312112122019. The next prime is 103312112122033. The reversal of 103312112122021 is 120221211213301.

It is a happy number.

It is not a de Polignac number, because 103312112122021 - 2¹ = 103312112122019 is a prime.

It is a super-2 number, since 2×103312112122021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103312112121983 and 103312112122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312112122721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49248456 + ... + 51303358.

It is an arithmetic number, because the mean of its divisors is an integer number (7350309411840).

Almost surely, 2^{103312112122021} is an apocalyptic number.

103312112122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103312112122021 is a deficient number, since it is larger than the sum of its proper divisors (14292838467419).

103312112122021 is a wasteful number, since it uses less digits than its factorization.

103312112122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253656.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 103312112122021 its reverse (120221211213301), we get a palindrome (223533323335322).

The spelling of 103312112122021 in words is "one hundred three trillion, three hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, twenty-one".