1102011212123 has 2 divisors, whose sum is σ = 1102011212124. Its totient is φ = 1102011212122.

The previous prime is 1102011212119. The next prime is 1102011212129. The reversal of 1102011212123 is 3212121102011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102011212123 - 2² = 1102011212119 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102011212129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551005606061 + 551005606062.

It is an arithmetic number, because the mean of its divisors is an integer number (551005606062).

Almost surely, 2^{1102011212123} is an apocalyptic number.

1102011212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102011212123 is an equidigital number, since it uses as much as digits as its factorization.

1102011212123 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 1102011212123 its reverse (3212121102011), we get a palindrome (4314132314134).

The spelling of 1102011212123 in words is "one trillion, one hundred two billion, eleven million, two hundred twelve thousand, one hundred twenty-three".