1201101221122 has 16 divisors (see below), whose sum is σ = 1983469910400. Its totient is φ = 540946337040.

The previous prime is 1201101221113. The next prime is 1201101221149. The reversal of 1201101221122 is 2211221011021.

It is a junction number, because it is equal to n+sod(n) for n = 1201101221096 and 1201101221105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250435722 + ... + 250440517.

It is an arithmetic number, because the mean of its divisors is an integer number (123966869400).

Almost surely, 2^{1201101221122} is an apocalyptic number.

1201101221122 is a deficient number, since it is larger than the sum of its proper divisors (782368689278).

1201101221122 is a wasteful number, since it uses less digits than its factorization.

1201101221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500876361.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201101221122 its reverse (2211221011021), we get a palindrome (3412322232143).

The spelling of 1201101221122 in words is "one trillion, two hundred one billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-two".