10012122122021 has 4 divisors (see below), whose sum is σ = 10181819107200. Its totient is φ = 9842425136844.

The previous prime is 10012122122003. The next prime is 10012122122029. The reversal of 10012122122021 is 12022122121001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10012122122021 - 2⁶ = 10012122121957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012122122029) 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, 84848492501 + ... + 84848492618.

It is an arithmetic number, because the mean of its divisors is an integer number (2545454776800).

Almost surely, 2^{10012122122021} is an apocalyptic number.

It is an amenable number.

10012122122021 is a deficient number, since it is larger than the sum of its proper divisors (169696985179).

10012122122021 is an equidigital number, since it uses as much as digits as its factorization.

10012122122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169696985178.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10012122122021 its reverse (12022122121001), we get a palindrome (22034244243022).

It can be divided in two parts, 100 and 12122122021, that added together give a palindrome (12122122121).

The spelling of 10012122122021 in words is "ten trillion, twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, twenty-one".