12101020022 has 32 divisors (see below), whose sum is σ = 22501113600. Its totient is φ = 4752766368.

The previous prime is 12101019977. The next prime is 12101020027. The reversal of 12101020022 is 22002010121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12101019985 and 12101020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101020027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213872 + ... + 264467.

It is an arithmetic number, because the mean of its divisors is an integer number (703159800).

Almost surely, 2^12101020022 is an apocalyptic number.

12101020022 is a deficient number, since it is larger than the sum of its proper divisors (10400093578).

12101020022 is a wasteful number, since it uses less digits than its factorization.

12101020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478500.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12101020022 its reverse (22002010121), we get a palindrome (34103030143).

Subtracting 12101020022 from its reverse (22002010121), we obtain a palindrome (9900990099).

The spelling of 12101020022 in words is "twelve billion, one hundred one million, twenty thousand, twenty-two".