201020211122222 has 16 divisors (see below), whose sum is σ = 304679396113344. Its totient is φ = 99461481900000.

The previous prime is 201020211122173. The next prime is 201020211122239. The reversal of 201020211122222 is 222221112020102.

201020211122222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201020211122194 and 201020211122203.

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, 266993654 + ... + 267745497.

It is an arithmetic number, because the mean of its divisors is an integer number (19042462257084).

Almost surely, 2^{201020211122222} is an apocalyptic number.

201020211122222 is a deficient number, since it is larger than the sum of its proper divisors (103659184991122).

201020211122222 is a wasteful number, since it uses less digits than its factorization.

201020211122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534741115.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201020211122222 its reverse (222221112020102), we get a palindrome (423241323142324).

The spelling of 201020211122222 in words is "two hundred one trillion, twenty billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".