1101313203212 has 6 divisors (see below), whose sum is σ = 1927298105628. Its totient is φ = 550656601604.

The previous prime is 1101313203173. The next prime is 1101313203223. The reversal of 1101313203212 is 2123023131011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137664150398 + ... + 137664150405.

It is an arithmetic number, because the mean of its divisors is an integer number (321216350938).

Almost surely, 2^{1101313203212} is an apocalyptic number.

It is an amenable number.

1101313203212 is a deficient number, since it is larger than the sum of its proper divisors (825984902416).

1101313203212 is a wasteful number, since it uses less digits than its factorization.

1101313203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275328300807 (or 275328300805 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1101313203212 its reverse (2123023131011), we get a palindrome (3224336334223).

The spelling of 1101313203212 in words is "one trillion, one hundred one billion, three hundred thirteen million, two hundred three thousand, two hundred twelve".