211210122020000 has 120 divisors (see below), whose sum is σ = 519651949162500. Its totient is φ = 84476997632000.

The previous prime is 211210122019999. The next prime is 211210122020081. The reversal of 211210122020000 is 20221012112.

It can be written as a sum of positive squares in 10 ways, for example, as 33750104346256 + 177460017673744 = 5809484^2 + 13321412^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 242545376 + ... + 243414624.

Almost surely, 2^{211210122020000} is an apocalyptic number.

211210122020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211210122020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259825974581250).

211210122020000 is an abundant number, since it is smaller than the sum of its proper divisors (308441827142500).

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

211210122020000 is an equidigital number, since it uses as much as digits as its factorization.

211210122020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881428 (or 881405 counting only the distinct ones).

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

Adding to 211210122020000 its reverse (20221012112), we get a palindrome (211230343032112).

The spelling of 211210122020000 in words is "two hundred eleven trillion, two hundred ten billion, one hundred twenty-two million, twenty thousand".