20201211022110 has 32 divisors (see below), whose sum is σ = 48685763819520. Its totient is φ = 5364449898528.

The previous prime is 20201211022007. The next prime is 20201211022147. The reversal of 20201211022110 is 1122011210202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201211022110.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1408724422 + ... + 1408738761.

It is an arithmetic number, because the mean of its divisors is an integer number (1521430119360).

Almost surely, 2^{20201211022110} is an apocalyptic number.

20201211022110 is an abundant number, since it is smaller than the sum of its proper divisors (28484552797410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201211022110 is a wasteful number, since it uses less digits than its factorization.

20201211022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817463432.

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

Adding to 20201211022110 its reverse (1122011210202), we get a palindrome (21323222232312).

The spelling of 20201211022110 in words is "twenty trillion, two hundred one billion, two hundred eleven million, twenty-two thousand, one hundred ten".