211121100000210 has 64 divisors (see below), whose sum is σ = 511948647302400. Its totient is φ = 55715968219392.

The previous prime is 211121100000163. The next prime is 211121100000257. The reversal of 211121100000210 is 12000001121112.

It is an interprime number because it is at equal distance from previous prime (211121100000163) and next prime (211121100000257).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35732649 + ... + 41219708.

It is an arithmetic number, because the mean of its divisors is an integer number (7999197614100).

Almost surely, 2^{211121100000210} is an apocalyptic number.

211121100000210 is an abundant number, since it is smaller than the sum of its proper divisors (300827547302190).

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

211121100000210 is a wasteful number, since it uses less digits than its factorization.

211121100000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76953315.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211121100000210 its reverse (12000001121112), we get a palindrome (223121101121322).

The spelling of 211121100000210 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred million, two hundred ten", and thus it is an aban number.