20011110022012 has 24 divisors (see below), whose sum is σ = 36863660141840. Its totient is φ = 9478666811520.

The previous prime is 20011110021979. The next prime is 20011110022039. The reversal of 20011110022012 is 21022001111002.

It is a junction number, because it is equal to n+sod(n) for n = 20011110021983 and 20011110022001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288689 + ... + 6456232.

Almost surely, 2^{20011110022012} is an apocalyptic number.

It is an amenable number.

20011110022012 is a deficient number, since it is larger than the sum of its proper divisors (16852550119828).

20011110022012 is a wasteful number, since it uses less digits than its factorization.

20011110022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778941 (or 7778939 counting only the distinct ones).

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

Adding to 20011110022012 its reverse (21022001111002), we get a palindrome (41033111133014).

The spelling of 20011110022012 in words is "twenty trillion, eleven billion, one hundred ten million, twenty-two thousand, twelve".