20000011111012 has 12 divisors (see below), whose sum is σ = 35321120540860. Its totient is φ = 9908262385056.

The previous prime is 20000011111001. The next prime is 20000011111013. The reversal of 20000011111012 is 21011111000002.

It can be written as a sum of positive squares in 2 ways, for example, as 15214181087296 + 4785830023716 = 3900536^2 + 2187654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20000011111012.

It is not an unprimeable number, because it can be changed into a prime (20000011111013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22935792123 + ... + 22935792994.

Almost surely, 2^{20000011111012} is an apocalyptic number.

It is an amenable number.

20000011111012 is a deficient number, since it is larger than the sum of its proper divisors (15321109429848).

20000011111012 is a wasteful number, since it uses less digits than its factorization.

20000011111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871585230 (or 45871585228 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20000011111012 its reverse (21011111000002), we get a palindrome (41011122111014).

The spelling of 20000011111012 in words is "twenty trillion, eleven million, one hundred eleven thousand, twelve".