1101220312302 has 48 divisors (see below), whose sum is σ = 2609976874752. Its totient is φ = 332793830160.

The previous prime is 1101220312271. The next prime is 1101220312319. The reversal of 1101220312302 is 2032130221011.

1101220312302 is a `hidden beast` number, since 1 + 101 + 220 + 312 + 30 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7504608 + ... + 7649939.

It is an arithmetic number, because the mean of its divisors is an integer number (54374518224).

Almost surely, 2^{1101220312302} is an apocalyptic number.

1101220312302 is an abundant number, since it is smaller than the sum of its proper divisors (1508756562450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101220312302 is a wasteful number, since it uses less digits than its factorization.

1101220312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15154933 (or 15154930 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1101220312302 its reverse (2032130221011), we get a palindrome (3133350533313).

The spelling of 1101220312302 in words is "one trillion, one hundred one billion, two hundred twenty million, three hundred twelve thousand, three hundred two".