20200111222011 has 16 divisors (see below), whose sum is σ = 30951183314688. Its totient is φ = 11479147653600.

The previous prime is 20200111221943. The next prime is 20200111222021. The reversal of 20200111222011 is 11022211100202.

It is not a de Polignac number, because 20200111222011 - 2¹⁵ = 20200111189243 is a prime.

It is a super-2 number, since 2×20200111222011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20200111222021) 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, 2657206305 + ... + 2657213906.

It is an arithmetic number, because the mean of its divisors is an integer number (1934448957168).

Almost surely, 2^{20200111222011} is an apocalyptic number.

20200111222011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20200111222011 is a deficient number, since it is larger than the sum of its proper divisors (10751072092677).

20200111222011 is a wasteful number, since it uses less digits than its factorization.

20200111222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314420402.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20200111222011 its reverse (11022211100202), we get a palindrome (31222322322213).

The spelling of 20200111222011 in words is "twenty trillion, two hundred billion, one hundred eleven million, two hundred twenty-two thousand, eleven".