1211100132122 has 8 divisors (see below), whose sum is σ = 1816655553972. Its totient is φ = 605548280800.

The previous prime is 1211100132113. The next prime is 1211100132139. The reversal of 1211100132122 is 2212310011121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 762790877641 + 448309254481 = 873379^2 + 669559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1211100132122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245672 + ... + 1575612.

Almost surely, 2^{1211100132122} is an apocalyptic number.

1211100132122 is a deficient number, since it is larger than the sum of its proper divisors (605555421850).

1211100132122 is a wasteful number, since it uses less digits than its factorization.

1211100132122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785264.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1211100132122 its reverse (2212310011121), we get a palindrome (3423410143243).

The spelling of 1211100132122 in words is "one trillion, two hundred eleven billion, one hundred million, one hundred thirty-two thousand, one hundred twenty-two".