1201122211222 has 8 divisors (see below), whose sum is σ = 1801714496400. Its totient is φ = 600550712424.

The previous prime is 1201122211213. The next prime is 1201122211231. The reversal of 1201122211222 is 2221122211021.

It is an interprime number because it is at equal distance from previous prime (1201122211213) and next prime (1201122211231).

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 1201122211222.

It is a congruent number.

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, 5051322 + ... + 5283757.

It is an arithmetic number, because the mean of its divisors is an integer number (225214312050).

Almost surely, 2^{1201122211222} is an apocalyptic number.

1201122211222 is a deficient number, since it is larger than the sum of its proper divisors (600592285178).

1201122211222 is a wasteful number, since it uses less digits than its factorization.

1201122211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393190.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1201122211222 its reverse (2221122211021), we get a palindrome (3422244422243).

The spelling of 1201122211222 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".