20202112211211 has 40 divisors (see below), whose sum is σ = 34511217184224. Its totient is φ = 11536853068800.

The previous prime is 20202112211207. The next prime is 20202112211219. The reversal of 20202112211211 is 11211221120202.

20202112211211 is a `hidden beast` number, since 2 + 0 + 20 + 211 + 221 + 1 + 211 = 666.

It is not a de Polignac number, because 20202112211211 - 2² = 20202112211207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202112211219) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10219600 + ... + 12035133.

Almost surely, 2^{20202112211211} is an apocalyptic number.

20202112211211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20202112211211 is a deficient number, since it is larger than the sum of its proper divisors (14309104973013).

20202112211211 is a wasteful number, since it uses less digits than its factorization.

20202112211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22256353 (or 22256344 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20202112211211 its reverse (11211221120202), we get a palindrome (31413333331413).

The spelling of 20202112211211 in words is "twenty trillion, two hundred two billion, one hundred twelve million, two hundred eleven thousand, two hundred eleven".