201101201044 has 12 divisors (see below), whose sum is σ = 351937747168. Its totient is φ = 100547559000.

The previous prime is 201101200967. The next prime is 201101201051. The reversal of 201101201044 is 440102101102.

It is a happy number.

It is a super-2 number, since 2×201101201044² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608232 + ... + 878719.

Almost surely, 2^201101201044 is an apocalyptic number.

It is an amenable number.

201101201044 is a deficient number, since it is larger than the sum of its proper divisors (150836546124).

201101201044 is a wasteful number, since it uses less digits than its factorization.

201101201044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520766 (or 1520764 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201101201044 its reverse (440102101102), we get a palindrome (641203302146).

The spelling of 201101201044 in words is "two hundred one billion, one hundred one million, two hundred one thousand, forty-four".