1101100172 has 12 divisors (see below), whose sum is σ = 1953322056. Its totient is φ = 543008160.

The previous prime is 1101100171. The next prime is 1101100201. The reversal of 1101100172 is 2710011011.

It is not an unprimeable number, because it can be changed into a prime (1101100171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885154 + ... + 1885737.

It is an arithmetic number, because the mean of its divisors is an integer number (162776838).

Almost surely, 2^1101100172 is an apocalyptic number.

It is an amenable number.

1101100172 is a deficient number, since it is larger than the sum of its proper divisors (852221884).

1101100172 is a wasteful number, since it uses less digits than its factorization.

1101100172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770968 (or 3770966 counting only the distinct ones).

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

The square root of 1101100172 is about 33182.8294754983. The cubic root of 1101100172 is about 1032.6241479619.

Adding to 1101100172 its reverse (2710011011), we get a palindrome (3811111183).

The spelling of 1101100172 in words is "one billion, one hundred one million, one hundred thousand, one hundred seventy-two".