211122100220010 has 64 divisors (see below), whose sum is σ = 579078938398464. Its totient is φ = 48256381900800.

The previous prime is 211122100219999. The next prime is 211122100220047. The reversal of 211122100220010 is 10022001221112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172122490 + ... + 173344730.

It is an arithmetic number, because the mean of its divisors is an integer number (9048108412476).

Almost surely, 2^{211122100220010} is an apocalyptic number.

211122100220010 is an abundant number, since it is smaller than the sum of its proper divisors (367956838178454).

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

211122100220010 is a wasteful number, since it uses less digits than its factorization.

211122100220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044799.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211122100220010 its reverse (10022001221112), we get a palindrome (221144101441122).

The spelling of 211122100220010 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred million, two hundred twenty thousand, ten".