20200011210111 has 16 divisors (see below), whose sum is σ = 26988546176000. Its totient is φ = 13439077640640.

The previous prime is 20200011210083. The next prime is 20200011210121. The reversal of 20200011210111 is 11101211000202.

It is not a de Polignac number, because 20200011210111 - 2¹⁰ = 20200011209087 is a prime.

It is a super-2 number, since 2×20200011210111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200011210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34018386 + ... + 34607088.

It is an arithmetic number, because the mean of its divisors is an integer number (1686784136000).

Almost surely, 2^{20200011210111} is an apocalyptic number.

20200011210111 is a deficient number, since it is larger than the sum of its proper divisors (6788534965889).

20200011210111 is a wasteful number, since it uses less digits than its factorization.

20200011210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612126.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20200011210111 its reverse (11101211000202), we get a palindrome (31301222210313).

The spelling of 20200011210111 in words is "twenty trillion, two hundred billion, eleven million, two hundred ten thousand, one hundred eleven".