211000212122000 has 120 divisors (see below), whose sum is σ = 593496229580280. Its totient is φ = 72342929836800.

The previous prime is 211000212121939. The next prime is 211000212122053. The reversal of 211000212122000 is 221212000112.

It can be written as a sum of positive squares in 4 ways, for example, as 16648619593984 + 194351592528016 = 4080272^2 + 13941004^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076433695 + ... + 1076629694.

It is an arithmetic number, because the mean of its divisors is an integer number (4945801913169).

Almost surely, 2^{211000212122000} is an apocalyptic number.

211000212122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000212122000 is an abundant number, since it is smaller than the sum of its proper divisors (382496017458280).

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

211000212122000 is a wasteful number, since it uses less digits than its factorization.

211000212122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153063426 (or 2153063403 counting only the distinct ones).

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

Adding to 211000212122000 its reverse (221212000112), we get a palindrome (211221424122112).

The spelling of 211000212122000 in words is "two hundred eleven trillion, two hundred twelve million, one hundred twenty-two thousand".