2121120321132 has 24 divisors (see below), whose sum is σ = 5240414911536. Its totient is φ = 665449512448.

The previous prime is 2121120321119. The next prime is 2121120321143. The reversal of 2121120321132 is 2311230211212.

It is a super-2 number, since 2×2121120321132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121120321099 and 2121120321108.

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, 5198824113 + ... + 5198824520.

It is an arithmetic number, because the mean of its divisors is an integer number (218350621314).

Almost surely, 2^{2121120321132} is an apocalyptic number.

It is an amenable number.

2121120321132 is an abundant number, since it is smaller than the sum of its proper divisors (3119294590404).

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

2121120321132 is a wasteful number, since it uses less digits than its factorization.

2121120321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10397648657 (or 10397648655 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2121120321132 its reverse (2311230211212), we get a palindrome (4432350532344).

The spelling of 2121120321132 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, three hundred twenty-one thousand, one hundred thirty-two".