1102142221534 has 4 divisors (see below), whose sum is σ = 1653213332304. Its totient is φ = 551071110766.

The previous prime is 1102142221513. The next prime is 1102142221549. The reversal of 1102142221534 is 4351222412011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275535555382 + ... + 275535555385.

It is an arithmetic number, because the mean of its divisors is an integer number (413303333076).

Almost surely, 2^{1102142221534} is an apocalyptic number.

1102142221534 is a deficient number, since it is larger than the sum of its proper divisors (551071110770).

1102142221534 is an equidigital number, since it uses as much as digits as its factorization.

1102142221534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551071110769.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1102142221534 its reverse (4351222412011), we get a palindrome (5453364633545).

The spelling of 1102142221534 in words is "one trillion, one hundred two billion, one hundred forty-two million, two hundred twenty-one thousand, five hundred thirty-four".