201222110121022 has 4 divisors (see below), whose sum is σ = 301833165181536. Its totient is φ = 100611055060510.

The previous prime is 201222110120989. The next prime is 201222110121061. The reversal of 201222110121022 is 220121011222102.

201222110121022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305527530254 + ... + 50305527530257.

It is an arithmetic number, because the mean of its divisors is an integer number (75458291295384).

Almost surely, 2^{201222110121022} is an apocalyptic number.

201222110121022 is a deficient number, since it is larger than the sum of its proper divisors (100611055060514).

201222110121022 is a wasteful number, since it uses less digits than its factorization.

201222110121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100611055060513.

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

Adding to 201222110121022 its reverse (220121011222102), we get a palindrome (421343121343124).

The spelling of 201222110121022 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, twenty-two".