20121100110022 has 8 divisors (see below), whose sum is σ = 30293021568672. Its totient is φ = 10023426253800.

The previous prime is 20121100109977. The next prime is 20121100110047. The reversal of 20121100110022 is 22001100112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20121100109984 and 20121100110011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18561899929 + ... + 18561901012.

It is an arithmetic number, because the mean of its divisors is an integer number (3786627696084).

Almost surely, 2^{20121100110022} is an apocalyptic number.

20121100110022 is a deficient number, since it is larger than the sum of its proper divisors (10171921458650).

20121100110022 is a wasteful number, since it uses less digits than its factorization.

20121100110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37123801214.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20121100110022 its reverse (22001100112102), we get a palindrome (42122200222124).

The spelling of 20121100110022 in words is "twenty trillion, one hundred twenty-one billion, one hundred million, one hundred ten thousand, twenty-two".