211011100122020 has 24 divisors (see below), whose sum is σ = 483407247552768. Its totient is φ = 76731309135200.

The previous prime is 211011100122001. The next prime is 211011100122023. The reversal of 211011100122020 is 20221001110112.

It is a junction number, because it is equal to n+sod(n) for n = 211011100121986 and 211011100122004.

It is not an unprimeable number, because it can be changed into a prime (211011100122023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479570681876 + ... + 479570682315.

It is an arithmetic number, because the mean of its divisors is an integer number (20141968648032).

Almost surely, 2^{211011100122020} is an apocalyptic number.

211011100122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211011100122020 is an abundant number, since it is smaller than the sum of its proper divisors (272396147430748).

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

211011100122020 is a wasteful number, since it uses less digits than its factorization.

211011100122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959141364211 (or 959141364209 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211011100122020 its reverse (20221001110112), we get a palindrome (231232101232132).

The spelling of 211011100122020 in words is "two hundred eleven trillion, eleven billion, one hundred million, one hundred twenty-two thousand, twenty".