100122000011021 has 4 divisors (see below), whose sum is σ = 106011529423452. Its totient is φ = 94232470598592.

The previous prime is 100122000010999. The next prime is 100122000011027. The reversal of 100122000011021 is 120110000221001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44713107009796 + 55408893001225 = 6686786^2 + 7443715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100122000011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100122000010993 and 100122000011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122000011027) 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, 2944764706190 + ... + 2944764706223.

It is an arithmetic number, because the mean of its divisors is an integer number (26502882355863).

Almost surely, 2^{100122000011021} is an apocalyptic number.

It is an amenable number.

100122000011021 is a deficient number, since it is larger than the sum of its proper divisors (5889529412431).

100122000011021 is an equidigital number, since it uses as much as digits as its factorization.

100122000011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889529412430.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100122000011021 its reverse (120110000221001), we get a palindrome (220232000232022).

The spelling of 100122000011021 in words is "one hundred trillion, one hundred twenty-two billion, eleven thousand, twenty-one".