1201131110 has 32 divisors (see below), whose sum is σ = 2197912320. Its totient is φ = 472504032.

The previous prime is 1201131049. The next prime is 1201131137. The reversal of 1201131110 is 111311021.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201131091 and 1201131100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574487 + ... + 576573.

It is an arithmetic number, because the mean of its divisors is an integer number (68684760).

Almost surely, 2^1201131110 is an apocalyptic number.

1201131110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201131110 is a deficient number, since it is larger than the sum of its proper divisors (996781210).

1201131110 is a wasteful number, since it uses less digits than its factorization.

1201131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1201131110 is about 34657.3384725371. The cubic root of 1201131110 is about 1062.9923487026.

Adding to 1201131110 its reverse (111311021), we get a palindrome (1312442131).

The spelling of 1201131110 in words is "one billion, two hundred one million, one hundred thirty-one thousand, one hundred ten".