20220001011111 has 16 divisors (see below), whose sum is σ = 31140964124928. Its totient is φ = 11533690416000.

The previous prime is 20220001011097. The next prime is 20220001011239. The reversal of 20220001011111 is 11111010002202.

It is not a de Polignac number, because 20220001011111 - 2¹⁵ = 20220000978343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220000011111) 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, 18021390715 + ... + 18021391836.

It is an arithmetic number, because the mean of its divisors is an integer number (1946310257808).

Almost surely, 2^{20220001011111} is an apocalyptic number.

20220001011111 is a deficient number, since it is larger than the sum of its proper divisors (10920963113817).

20220001011111 is a wasteful number, since it uses less digits than its factorization.

20220001011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36042782582.

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

Adding to 20220001011111 its reverse (11111010002202), we get a palindrome (31331011013313).

The spelling of 20220001011111 in words is "twenty trillion, two hundred twenty billion, one million, eleven thousand, one hundred eleven".