1222210110121 has 24 divisors (see below), whose sum is σ = 1653441282752. Its totient is φ = 879112159200.

The previous prime is 1222210110067. The next prime is 1222210110169. The reversal of 1222210110121 is 1210110122221.

It is not a de Polignac number, because 1222210110121 - 2⁷ = 1222210109993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222210110095 and 1222210110104.

It is not an unprimeable number, because it can be changed into a prime (1222210110221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55488495 + ... + 55510516.

Almost surely, 2^{1222210110121} is an apocalyptic number.

1222210110121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222210110121 is a deficient number, since it is larger than the sum of its proper divisors (431231172631).

1222210110121 is a wasteful number, since it uses less digits than its factorization.

1222210110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110999053 (or 110999042 counting only the distinct ones).

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

Adding to 1222210110121 its reverse (1210110122221), we get a palindrome (2432320232342).

It can be divided in two parts, 1222210 and 110121, that added together give a palindrome (1332331).

The spelling of 1222210110121 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".