201110020122 has 48 divisors (see below), whose sum is σ = 452892859776. Its totient is φ = 59456020800.

The previous prime is 201110020079. The next prime is 201110020129. The reversal of 201110020122 is 221020011102.

It is a junction number, because it is equal to n+sod(n) for n = 201110020098 and 201110020107.

It is not an unprimeable number, because it can be changed into a prime (201110020129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3348418 + ... + 3407949.

It is an arithmetic number, because the mean of its divisors is an integer number (9435267912).

Almost surely, 2^201110020122 is an apocalyptic number.

201110020122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201110020122 is an abundant number, since it is smaller than the sum of its proper divisors (251782839654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201110020122 is a wasteful number, since it uses less digits than its factorization.

201110020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756435 (or 6756424 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201110020122 its reverse (221020011102), we get a palindrome (422130031224).

The spelling of 201110020122 in words is "two hundred one billion, one hundred ten million, twenty thousand, one hundred twenty-two".