211101110021010 has 32 divisors (see below), whose sum is σ = 552701088055872. Its totient is φ = 51176026671680.

The previous prime is 211101110021003. The next prime is 211101110021023. The reversal of 211101110021010 is 10120011101112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319850166369 + ... + 319850167028.

It is an arithmetic number, because the mean of its divisors is an integer number (17271909001746).

Almost surely, 2^{211101110021010} is an apocalyptic number.

211101110021010 is an abundant number, since it is smaller than the sum of its proper divisors (341599978034862).

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

211101110021010 is a wasteful number, since it uses less digits than its factorization.

211101110021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639700333418.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211101110021010 its reverse (10120011101112), we get a palindrome (221221121122122).

The spelling of 211101110021010 in words is "two hundred eleven trillion, one hundred one billion, one hundred ten million, twenty-one thousand, ten".