100121020011222 has 48 divisors (see below), whose sum is σ = 246636654349680. Its totient is φ = 26923299497472.

The previous prime is 100121020011217. The next prime is 100121020011223. The reversal of 100121020011222 is 222110020121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121020011223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10016103447 + ... + 10016113442.

It is an arithmetic number, because the mean of its divisors is an integer number (5138263632285).

Almost surely, 2^{100121020011222} is an apocalyptic number.

100121020011222 is an abundant number, since it is smaller than the sum of its proper divisors (146515634338458).

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

100121020011222 is a wasteful number, since it uses less digits than its factorization.

100121020011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20032216925 (or 20032216918 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100121020011222 its reverse (222110020121001), we get a palindrome (322231040132223).

The spelling of 100121020011222 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, eleven thousand, two hundred twenty-two".