1102101202121 has 2 divisors, whose sum is σ = 1102101202122. Its totient is φ = 1102101202120.

The previous prime is 1102101202117. The next prime is 1102101202123. The reversal of 1102101202121 is 1212021012011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074124960000 + 27976242121 = 1036400^2 + 167261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102101202121 - 2² = 1102101202117 is a prime.

Together with 1102101202123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102101202096 and 1102101202105.

It is not a weakly prime, because it can be changed into another prime (1102101202123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551050601060 + 551050601061.

It is an arithmetic number, because the mean of its divisors is an integer number (551050601061).

Almost surely, 2^{1102101202121} is an apocalyptic number.

It is an amenable number.

1102101202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102101202121 is an equidigital number, since it uses as much as digits as its factorization.

1102101202121 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 14.

Adding to 1102101202121 its reverse (1212021012011), we get a palindrome (2314122214132).

The spelling of 1102101202121 in words is "one trillion, one hundred two billion, one hundred one million, two hundred two thousand, one hundred twenty-one".