211121220022210 has 32 divisors (see below), whose sum is σ = 388914422859072. Its totient is φ = 82472140578240.

The previous prime is 211121220022183. The next prime is 211121220022213. The reversal of 211121220022210 is 12220022121112.

It is not an unprimeable number, because it can be changed into a prime (211121220022213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34134156 + ... + 39841975.

It is an arithmetic number, because the mean of its divisors is an integer number (12153575714346).

Almost surely, 2^{211121220022210} is an apocalyptic number.

211121220022210 is a deficient number, since it is larger than the sum of its proper divisors (177793202836862).

211121220022210 is a wasteful number, since it uses less digits than its factorization.

211121220022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73982818.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211121220022210 its reverse (12220022121112), we get a palindrome (223341242143322).

The spelling of 211121220022210 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twenty million, twenty-two thousand, two hundred ten".