1210121011222 has 8 divisors (see below), whose sum is σ = 1910717386200. Its totient is φ = 573215215824.

The previous prime is 1210121011213. The next prime is 1210121011289. The reversal of 1210121011222 is 2221101210121.

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 = 1210121011196 and 1210121011205.

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, 15922644847 + ... + 15922644922.

It is an arithmetic number, because the mean of its divisors is an integer number (238839673275).

Almost surely, 2^{1210121011222} is an apocalyptic number.

1210121011222 is a deficient number, since it is larger than the sum of its proper divisors (700596374978).

1210121011222 is a wasteful number, since it uses less digits than its factorization.

1210121011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31845289790.

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

Adding to 1210121011222 its reverse (2221101210121), we get a palindrome (3431222221343).

The spelling of 1210121011222 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, eleven thousand, two hundred twenty-two".