211022101020 has 48 divisors (see below), whose sum is σ = 600876501120. Its totient is φ = 55318787136.

The previous prime is 211022101007. The next prime is 211022101061. The reversal of 211022101020 is 20101220112.

211022101020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 211022100987 and 211022101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29801842 + ... + 29808921.

It is an arithmetic number, because the mean of its divisors is an integer number (12518260440).

Almost surely, 2^211022101020 is an apocalyptic number.

211022101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211022101020 is an abundant number, since it is smaller than the sum of its proper divisors (389854400100).

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

211022101020 is a wasteful number, since it uses less digits than its factorization.

211022101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59610834 (or 59610832 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211022101020 its reverse (20101220112), we get a palindrome (231123321132).

The spelling of 211022101020 in words is "two hundred eleven billion, twenty-two million, one hundred one thousand, twenty".