100121201022 has 64 divisors (see below), whose sum is σ = 212420763648. Its totient is φ = 31404672000.

The previous prime is 100121201009. The next prime is 100121201029. The reversal of 100121201022 is 220102121001.

100121201022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 100121200989 and 100121201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121201029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14317947 + ... + 14324937.

It is an arithmetic number, because the mean of its divisors is an integer number (3319074432).

Almost surely, 2^100121201022 is an apocalyptic number.

100121201022 is an abundant number, since it is smaller than the sum of its proper divisors (112299562626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100121201022 is a wasteful number, since it uses less digits than its factorization.

100121201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100121201022 its reverse (220102121001), we get a palindrome (320223322023).

The spelling of 100121201022 in words is "one hundred billion, one hundred twenty-one million, two hundred one thousand, twenty-two".