211001220022 has 16 divisors (see below), whose sum is σ = 317103044544. Its totient is φ = 105300261000.

The previous prime is 211001220013. The next prime is 211001220077. The reversal of 211001220022 is 220022100112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211001219984 and 211001220011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13937397 + ... + 13952527.

It is an arithmetic number, because the mean of its divisors is an integer number (19818940284).

Almost surely, 2^211001220022 is an apocalyptic number.

211001220022 is a deficient number, since it is larger than the sum of its proper divisors (106101824522).

211001220022 is a wasteful number, since it uses less digits than its factorization.

211001220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27915.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211001220022 its reverse (220022100112), we get a palindrome (431023320134).

The spelling of 211001220022 in words is "two hundred eleven billion, one million, two hundred twenty thousand, twenty-two".