11302120311102 has 24 divisors (see below), whose sum is σ = 24503435906040. Its totient is φ = 3764987503920.

The previous prime is 11302120311101. The next prime is 11302120311133. The reversal of 11302120311102 is 20111302120311.

11302120311102 is a `hidden beast` number, since 1 + 130 + 2 + 120 + 311 + 102 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11302120311101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198798549 + ... + 198855392.

It is an arithmetic number, because the mean of its divisors is an integer number (1020976496085).

Almost surely, 2^{11302120311102} is an apocalyptic number.

11302120311102 is an abundant number, since it is smaller than the sum of its proper divisors (13201315594938).

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

11302120311102 is a wasteful number, since it uses less digits than its factorization.

11302120311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397655528 (or 397655525 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11302120311102 its reverse (20111302120311), we get a palindrome (31413422431413).

The spelling of 11302120311102 in words is "eleven trillion, three hundred two billion, one hundred twenty million, three hundred eleven thousand, one hundred two".