1102000222121 has 2 divisors, whose sum is σ = 1102000222122. Its totient is φ = 1102000222120.

The previous prime is 1102000222097. The next prime is 1102000222163. The reversal of 1102000222121 is 1212220002011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987797454400 + 114202767721 = 993880^2 + 337939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102000222121 - 2²² = 1101996027817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102000222096 and 1102000222105.

It is not a weakly prime, because it can be changed into another prime (1102000224121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551000111060 + 551000111061.

It is an arithmetic number, because the mean of its divisors is an integer number (551000111061).

Almost surely, 2^{1102000222121} is an apocalyptic number.

It is an amenable number.

1102000222121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102000222121 is an equidigital number, since it uses as much as digits as its factorization.

1102000222121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1102000222121 its reverse (1212220002011), we get a palindrome (2314220224132).

The spelling of 1102000222121 in words is "one trillion, one hundred two billion, two hundred twenty-two thousand, one hundred twenty-one".