1102121210213 has 2 divisors, whose sum is σ = 1102121210214. Its totient is φ = 1102121210212.

The previous prime is 1102121210173. The next prime is 1102121210231. The reversal of 1102121210213 is 3120121212011.

It is a happy number.

Together with next prime (1102121210231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882513694084 + 219607516129 = 939422^2 + 468623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102121210213 - 2²⁶ = 1102054101349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102121210191 and 1102121210200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102121213213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551060605106 + 551060605107.

It is an arithmetic number, because the mean of its divisors is an integer number (551060605107).

Almost surely, 2^{1102121210213} is an apocalyptic number.

It is an amenable number.

1102121210213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102121210213 is an equidigital number, since it uses as much as digits as its factorization.

1102121210213 is an evil number, because the sum of its binary digits is even.

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

Adding to 1102121210213 its reverse (3120121212011), we get a palindrome (4222242422224).

The spelling of 1102121210213 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred ten thousand, two hundred thirteen".