1102202020123 has 2 divisors, whose sum is σ = 1102202020124. Its totient is φ = 1102202020122.

The previous prime is 1102202020093. The next prime is 1102202020147. The reversal of 1102202020123 is 3210202022011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102202020123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102202020097 and 1102202020106.

It is not a weakly prime, because it can be changed into another prime (1102202020163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551101010061 + 551101010062.

It is an arithmetic number, because the mean of its divisors is an integer number (551101010062).

Almost surely, 2^{1102202020123} is an apocalyptic number.

1102202020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102202020123 is an equidigital number, since it uses as much as digits as its factorization.

1102202020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1102202020123 its reverse (3210202022011), we get a palindrome (4312404042134).

The spelling of 1102202020123 in words is "one trillion, one hundred two billion, two hundred two million, twenty thousand, one hundred twenty-three".