1201112211130 has 64 divisors (see below), whose sum is σ = 2334650441760. Its totient is φ = 442281406464.

The previous prime is 1201112211119. The next prime is 1201112211149. The reversal of 1201112211130 is 311122111021.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 257807016009 + 943305195121 = 507747^2 + 971239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82617222 + ... + 82631758.

Almost surely, 2^{1201112211130} is an apocalyptic number.

1201112211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201112211130 is a deficient number, since it is larger than the sum of its proper divisors (1133538230630).

1201112211130 is a wasteful number, since it uses less digits than its factorization.

1201112211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16243.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1201112211130 its reverse (311122111021), we get a palindrome (1512234322151).

The spelling of 1201112211130 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred eleven thousand, one hundred thirty".