1212022100011 has 2 divisors, whose sum is σ = 1212022100012. Its totient is φ = 1212022100010.

The previous prime is 1212022099997. The next prime is 1212022100039. The reversal of 1212022100011 is 1100012202121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212022100011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212022099964 and 1212022100000.

It is not a weakly prime, because it can be changed into another prime (1212022100041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606011050005 + 606011050006.

It is an arithmetic number, because the mean of its divisors is an integer number (606011050006).

Almost surely, 2^{1212022100011} is an apocalyptic number.

1212022100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212022100011 is an equidigital number, since it uses as much as digits as its factorization.

1212022100011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212022100011 its reverse (1100012202121), we get a palindrome (2312034302132).

The spelling of 1212022100011 in words is "one trillion, two hundred twelve billion, twenty-two million, one hundred thousand, eleven".