1101211313212 has 24 divisors (see below), whose sum is σ = 1945314693504. Its totient is φ = 545408091312.

The previous prime is 1101211313203. The next prime is 1101211313221. The reversal of 1101211313212 is 2123131121011.

It is an interprime number because it is at equal distance from previous prime (1101211313203) and next prime (1101211313221).

It is a self number, because there is not a number n which added to its sum of digits gives 1101211313212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4611663 + ... + 4844569.

It is an arithmetic number, because the mean of its divisors is an integer number (81054778896).

Almost surely, 2^{1101211313212} is an apocalyptic number.

It is an amenable number.

1101211313212 is a deficient number, since it is larger than the sum of its proper divisors (844103380292).

1101211313212 is a wasteful number, since it uses less digits than its factorization.

1101211313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244065 (or 244063 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1101211313212 its reverse (2123131121011), we get a palindrome (3224342434223).

The spelling of 1101211313212 in words is "one trillion, one hundred one billion, two hundred eleven million, three hundred thirteen thousand, two hundred twelve".