2120105545532 has 36 divisors (see below), whose sum is σ = 4017682027800. Its totient is φ = 978474998592.

The previous prime is 2120105545513. The next prime is 2120105545541. The reversal of 2120105545532 is 2355455010212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120105545492 and 2120105545501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33121094 + ... + 33185042.

It is an arithmetic number, because the mean of its divisors is an integer number (111602278550).

Almost surely, 2^{2120105545532} is an apocalyptic number.

It is an amenable number.

2120105545532 is a deficient number, since it is larger than the sum of its proper divisors (1897576482268).

2120105545532 is a wasteful number, since it uses less digits than its factorization.

2120105545532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113022 (or 113007 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 2120105545532 in words is "two trillion, one hundred twenty billion, one hundred five million, five hundred forty-five thousand, five hundred thirty-two".