20002011222111 has 8 divisors (see below), whose sum is σ = 27289565698560. Its totient is φ = 13024565446872.

The previous prime is 20002011222103. The next prime is 20002011222119. The reversal of 20002011222111 is 11122211020002.

It is an interprime number because it is at equal distance from previous prime (20002011222103) and next prime (20002011222119).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20002011222111 - 2³ = 20002011222103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002011222119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77527175151 + ... + 77527175408.

It is an arithmetic number, because the mean of its divisors is an integer number (3411195712320).

Almost surely, 2^{20002011222111} is an apocalyptic number.

20002011222111 is a deficient number, since it is larger than the sum of its proper divisors (7287554476449).

20002011222111 is a wasteful number, since it uses less digits than its factorization.

20002011222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155054350605.

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

Adding to 20002011222111 its reverse (11122211020002), we get a palindrome (31124222242113).

The spelling of 20002011222111 in words is "twenty trillion, two billion, eleven million, two hundred twenty-two thousand, one hundred eleven".