20121110100022 has 32 divisors (see below), whose sum is σ = 35101573171200. Its totient is φ = 8580384540288.

The previous prime is 20121110100001. The next prime is 20121110100031. The reversal of 20121110100022 is 22000101112102.

It is a junction number, because it is equal to n+sod(n) for n = 20121110099975 and 20121110100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677098822 + ... + 677128537.

It is an arithmetic number, because the mean of its divisors is an integer number (1096924161600).

Almost surely, 2^{20121110100022} is an apocalyptic number.

20121110100022 is a deficient number, since it is larger than the sum of its proper divisors (14980463071178).

20121110100022 is a wasteful number, since it uses less digits than its factorization.

20121110100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354227420.

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

Adding to 20121110100022 its reverse (22000101112102), we get a palindrome (42121211212124).

The spelling of 20121110100022 in words is "twenty trillion, one hundred twenty-one billion, one hundred ten million, one hundred thousand, twenty-two".