201201121022 has 48 divisors (see below), whose sum is σ = 334966181760. Its totient is φ = 90565009920.

The previous prime is 201201121019. The next prime is 201201121027. The reversal of 201201121022 is 220121102102.

It is a super-2 number, since 2×201201121022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201201120988 and 201201121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201121027) 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 23 ways as a sum of consecutive naturals, for example, 39348338 + ... + 39353450.

It is an arithmetic number, because the mean of its divisors is an integer number (6978462120).

Almost surely, 2^201201121022 is an apocalyptic number.

201201121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201201121022 is a deficient number, since it is larger than the sum of its proper divisors (133765060738).

201201121022 is a wasteful number, since it uses less digits than its factorization.

201201121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689 (or 6678 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201201121022 its reverse (220121102102), we get a palindrome (421322223124).

It can be divided in two parts, 201201 and 121022, that added together give a palindrome (322223).

The spelling of 201201121022 in words is "two hundred one billion, two hundred one million, one hundred twenty-one thousand, twenty-two".