211002202110020 has 48 divisors (see below), whose sum is σ = 445564648101888. Its totient is φ = 83933109344640.

The previous prime is 211002202109981. The next prime is 211002202110043. The reversal of 211002202110020 is 20011202200112.

It is a junction number, because it is equal to n+sod(n) for n = 211002202109977 and 211002202110004.

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, 20941244 + ... + 29334963.

It is an arithmetic number, because the mean of its divisors is an integer number (9282596835456).

Almost surely, 2^{211002202110020} is an apocalyptic number.

211002202110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211002202110020 is an abundant number, since it is smaller than the sum of its proper divisors (234562445991868).

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

211002202110020 is a wasteful number, since it uses less digits than its factorization.

211002202110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50277380 (or 50277378 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211002202110020 its reverse (20011202200112), we get a palindrome (231013404310132).

The spelling of 211002202110020 in words is "two hundred eleven trillion, two billion, two hundred two million, one hundred ten thousand, twenty".