1201100110 has 32 divisors (see below), whose sum is σ = 2479606272. Its totient is φ = 410343840.

The previous prime is 1201100107. The next prime is 1201100137. The reversal of 1201100110 is 110011021.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 1201100093 and 1201100102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10506 + ... + 50125.

It is an arithmetic number, because the mean of its divisors is an integer number (77487696).

Almost surely, 2^1201100110 is an apocalyptic number.

1201100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201100110 is an abundant number, since it is smaller than the sum of its proper divisors (1278506162).

1201100110 is a wasteful number, since it uses less digits than its factorization.

1201100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60928.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1201100110 is about 34656.8912339234. The cubic root of 1201100110 is about 1062.9832036986.

Adding to 1201100110 its reverse (110011021), we get a palindrome (1311111131).

The spelling of 1201100110 in words is "one billion, two hundred one million, one hundred thousand, one hundred ten".