201101122 has 4 divisors (see below), whose sum is σ = 301651686. Its totient is φ = 100550560.

The previous prime is 201101093. The next prime is 201101137. The reversal of 201101122 is 221101102.

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

It can be written as a sum of positive squares in only one way, i.e., 201100761 + 361 = 14181^2 + 19^2 .

It is a super-2 number, since 2×201101122² = 80883322539317768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201101099 and 201101108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50275279 + ... + 50275282.

Almost surely, 2^201101122 is an apocalyptic number.

201101122 is a deficient number, since it is larger than the sum of its proper divisors (100550564).

201101122 is a wasteful number, since it uses less digits than its factorization.

201101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100550563.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 201101122 is about 14181.0127282927. The cubic root of 201101122 is about 585.8748174633.

Adding to 201101122 its reverse (221101102), we get a palindrome (422202224).

The spelling of 201101122 in words is "two hundred one million, one hundred one thousand, one hundred twenty-two".