211020002210120 has 32 divisors (see below), whose sum is σ = 474967720755000. Its totient is φ = 84377295856128.

The previous prime is 211020002210113. The next prime is 211020002210197. The reversal of 211020002210120 is 21012200020112.

It can be written as a sum of positive squares in 4 ways, for example, as 96423876428356 + 114596125781764 = 9819566^2 + 10704958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211020002210095 and 211020002210104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959420789 + ... + 959640708.

Almost surely, 2^{211020002210120} is an apocalyptic number.

211020002210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211020002210120 is an abundant number, since it is smaller than the sum of its proper divisors (263947718544880).

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

211020002210120 is a wasteful number, since it uses less digits than its factorization.

211020002210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919064257 (or 1919064253 counting only the distinct ones).

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

Adding to 211020002210120 its reverse (21012200020112), we get a palindrome (232032202230232).

The spelling of 211020002210120 in words is "two hundred eleven trillion, twenty billion, two million, two hundred ten thousand, one hundred twenty".