20102202212211 has 18 divisors (see below), whose sum is σ = 33777169704252. Its totient is φ = 11486972692440.

The previous prime is 20102202212201. The next prime is 20102202212333. The reversal of 20102202212211 is 11221220220102.

It is a happy number.

20102202212211 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 220 + 221 + 221 + 1 = 666.

It is not a de Polignac number, because 20102202212211 - 2⁵ = 20102202212179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102202212201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22791612045 + ... + 22791612926.

It is an arithmetic number, because the mean of its divisors is an integer number (1876509428014).

Almost surely, 2^{20102202212211} is an apocalyptic number.

20102202212211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20102202212211 is a deficient number, since it is larger than the sum of its proper divisors (13674967492041).

20102202212211 is a wasteful number, since it uses less digits than its factorization.

20102202212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45583224991 (or 45583224981 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20102202212211 its reverse (11221220220102), we get a palindrome (31323422432313).

The spelling of 20102202212211 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred twelve thousand, two hundred eleven".