1101131130212 has 6 divisors (see below), whose sum is σ = 1926979477878. Its totient is φ = 550565565104.

The previous prime is 1101131130179. The next prime is 1101131130251. The reversal of 1101131130212 is 2120311311011.

It can be written as a sum of positive squares in only one way, i.e., 1077763727716 + 23367402496 = 1038154^2 + 152864^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137641391273 + ... + 137641391280.

It is an arithmetic number, because the mean of its divisors is an integer number (321163246313).

Almost surely, 2^{1101131130212} is an apocalyptic number.

It is an amenable number.

1101131130212 is a deficient number, since it is larger than the sum of its proper divisors (825848347666).

1101131130212 is a wasteful number, since it uses less digits than its factorization.

1101131130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275282782557 (or 275282782555 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1101131130212 its reverse (2120311311011), we get a palindrome (3221442441223).

The spelling of 1101131130212 in words is "one trillion, one hundred one billion, one hundred thirty-one million, one hundred thirty thousand, two hundred twelve".