1211222102122 has 8 divisors (see below), whose sum is σ = 1818208503972. Its totient is φ = 605152600800.

The previous prime is 1211222102119. The next prime is 1211222102159. The reversal of 1211222102122 is 2212012221121.

It can be written as a sum of positive squares in 2 ways, for example, as 1189759559121 + 21462543001 = 1090761^2 + 146501^2 .

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 1211222102122.

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, 229221829 + ... + 229227112.

Almost surely, 2^{1211222102122} is an apocalyptic number.

1211222102122 is a deficient number, since it is larger than the sum of its proper divisors (606986401850).

1211222102122 is a wasteful number, since it uses less digits than its factorization.

1211222102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458450264.

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

Adding to 1211222102122 its reverse (2212012221121), we get a palindrome (3423234323243).

The spelling of 1211222102122 in words is "one trillion, two hundred eleven billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-two".