20110022111011 has 32 divisors (see below), whose sum is σ = 24795898283520. Its totient is φ = 15923082643200.

The previous prime is 20110022110967. The next prime is 20110022111017. The reversal of 20110022111011 is 11011122001102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20110022111011 - 2¹⁵ = 20110022078243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20110022110982 and 20110022111000.

It is not an unprimeable number, because it can be changed into a prime (20110022111017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9157200 + ... + 11138866.

It is an arithmetic number, because the mean of its divisors is an integer number (774871821360).

Almost surely, 2^{20110022111011} is an apocalyptic number.

20110022111011 is a deficient number, since it is larger than the sum of its proper divisors (4685876172509).

20110022111011 is a wasteful number, since it uses less digits than its factorization.

20110022111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983595.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20110022111011 its reverse (11011122001102), we get a palindrome (31121144112113).

The spelling of 20110022111011 in words is "twenty trillion, one hundred ten billion, twenty-two million, one hundred eleven thousand, eleven".