1211011001122 has 8 divisors (see below), whose sum is σ = 1956248540316. Its totient is φ = 558928154352.

The previous prime is 1211011001107. The next prime is 1211011001149. The reversal of 1211011001122 is 2211001101121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 885162970561 + 325848030561 = 940831^2 + 570831^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 23288673073 + ... + 23288673124.

Almost surely, 2^{1211011001122} is an apocalyptic number.

1211011001122 is a deficient number, since it is larger than the sum of its proper divisors (745237539194).

1211011001122 is a wasteful number, since it uses less digits than its factorization.

1211011001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46577346212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1211011001122 its reverse (2211001101121), we get a palindrome (3422012102243).

Subtracting 1211011001122 from its reverse (2211001101121), we obtain a palindrome (999990099999).

The spelling of 1211011001122 in words is "one trillion, two hundred eleven billion, eleven million, one thousand, one hundred twenty-two".