1201111011132 has 24 divisors (see below), whose sum is σ = 2850093926400. Its totient is φ = 393584398896.

The previous prime is 1201111011131. The next prime is 1201111011137. The reversal of 1201111011132 is 2311101111021.

It is a super-2 number, since 2×1201111011132² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201111011131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848241532 + ... + 848242947.

It is an arithmetic number, because the mean of its divisors is an integer number (118753913600).

Almost surely, 2^{1201111011132} is an apocalyptic number.

1201111011132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201111011132 is an abundant number, since it is smaller than the sum of its proper divisors (1648982915268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201111011132 is a wasteful number, since it uses less digits than its factorization.

1201111011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696484545 (or 1696484543 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1201111011132 its reverse (2311101111021), we get a palindrome (3512212122153).

The spelling of 1201111011132 in words is "one trillion, two hundred one billion, one hundred eleven million, eleven thousand, one hundred thirty-two".