20102222022111 has 24 divisors (see below), whose sum is σ = 29512596572160. Its totient is φ = 13183016230800.

The previous prime is 20102222022107. The next prime is 20102222022121. The reversal of 20102222022111 is 11122022220102.

It is a happy number.

20102222022111 is a `hidden beast` number, since 20 + 10 + 222 + 202 + 211 + 1 = 666.

It is not a de Polignac number, because 20102222022111 - 2² = 20102222022107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102222022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51971835 + ... + 52357196.

It is an arithmetic number, because the mean of its divisors is an integer number (1229691523840).

Almost surely, 2^{20102222022111} is an apocalyptic number.

20102222022111 is a deficient number, since it is larger than the sum of its proper divisors (9410374550049).

20102222022111 is a wasteful number, since it uses less digits than its factorization.

20102222022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104329387 (or 104329384 counting only the distinct ones).

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

Adding to 20102222022111 its reverse (11122022220102), we get a palindrome (31224244242213).

The spelling of 20102222022111 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".