102442042211 has 4 divisors (see below), whose sum is σ = 108468044712. Its totient is φ = 96416039712.

The previous prime is 102442042207. The next prime is 102442042223. The reversal of 102442042211 is 112240244201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112240244201 = 8731 ⋅12855371.

It is a cyclic number.

It is not a de Polignac number, because 102442042211 - 2² = 102442042207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102442062211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3013001225 + ... + 3013001258.

It is an arithmetic number, because the mean of its divisors is an integer number (27117011178).

Almost surely, 2^102442042211 is an apocalyptic number.

102442042211 is a deficient number, since it is larger than the sum of its proper divisors (6026002501).

102442042211 is an equidigital number, since it uses as much as digits as its factorization.

102442042211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026002500.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102442042211 its reverse (112240244201), we get a palindrome (214682286412).

The spelling of 102442042211 in words is "one hundred two billion, four hundred forty-two million, forty-two thousand, two hundred eleven".