211121002210 has 16 divisors (see below), whose sum is σ = 392276443392. Its totient is φ = 81724258800.

The previous prime is 211121002159. The next prime is 211121002219. The reversal of 211121002210 is 12200121112.

It is not an unprimeable number, because it can be changed into a prime (211121002219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340517436 + ... + 340518055.

It is an arithmetic number, because the mean of its divisors is an integer number (24517277712).

Almost surely, 2^211121002210 is an apocalyptic number.

211121002210 is a deficient number, since it is larger than the sum of its proper divisors (181155441182).

211121002210 is a wasteful number, since it uses less digits than its factorization.

211121002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681035529.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211121002210 its reverse (12200121112), we get a palindrome (223321123322).

The spelling of 211121002210 in words is "two hundred eleven billion, one hundred twenty-one million, two thousand, two hundred ten".