1212022101113 has 32 divisors (see below), whose sum is σ = 1284921792000. Its totient is φ = 1141908074496.

The previous prime is 1212022101049. The next prime is 1212022101163. The reversal of 1212022101113 is 3111012202121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1212022101113 - 2⁶ = 1212022101049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212022101091 and 1212022101100.

It is not an unprimeable number, because it can be changed into a prime (1212022101163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278687663 + ... + 278692011.

It is an arithmetic number, because the mean of its divisors is an integer number (40153806000).

Almost surely, 2^{1212022101113} is an apocalyptic number.

It is an amenable number.

1212022101113 is a deficient number, since it is larger than the sum of its proper divisors (72899690887).

1212022101113 is a wasteful number, since it uses less digits than its factorization.

1212022101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1212022101113 its reverse (3111012202121), we get a palindrome (4323034303234).

The spelling of 1212022101113 in words is "one trillion, two hundred twelve billion, twenty-two million, one hundred one thousand, one hundred thirteen".