1201220101222 has 8 divisors (see below), whose sum is σ = 1802189885400. Its totient is φ = 600490139424.

The previous prime is 1201220101199. The next prime is 1201220101253. The reversal of 1201220101222 is 2221010221021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1201220101196 and 1201220101205.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 59943072 + ... + 59963107.

It is an arithmetic number, because the mean of its divisors is an integer number (225273735675).

Almost surely, 2^{1201220101222} is an apocalyptic number.

1201220101222 is a deficient number, since it is larger than the sum of its proper divisors (600969784178).

1201220101222 is a wasteful number, since it uses less digits than its factorization.

1201220101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119911190.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1201220101222 its reverse (2221010221021), we get a palindrome (3422230322243).

The spelling of 1201220101222 in words is "one trillion, two hundred one billion, two hundred twenty million, one hundred one thousand, two hundred twenty-two".