1331102121102 has 48 divisors (see below), whose sum is σ = 3145220245440. Its totient is φ = 404385448896.

The previous prime is 1331102121091. The next prime is 1331102121109. The reversal of 1331102121102 is 2011212011331.

1331102121102 is a `hidden beast` number, since 1 + 331 + 10 + 212 + 110 + 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 not an unprimeable number, because it can be changed into a prime (1331102121109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35984493 + ... + 36021464.

It is an arithmetic number, because the mean of its divisors is an integer number (65525421780).

Almost surely, 2^{1331102121102} is an apocalyptic number.

1331102121102 is an abundant number, since it is smaller than the sum of its proper divisors (1814118124338).

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

1331102121102 is a wasteful number, since it uses less digits than its factorization.

1331102121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72006057 (or 72006054 counting only the distinct ones).

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

Adding to 1331102121102 its reverse (2011212011331), we get a palindrome (3342314132433).

The spelling of 1331102121102 in words is "one trillion, three hundred thirty-one billion, one hundred two million, one hundred twenty-one thousand, one hundred two".