2121601141347 has 8 divisors (see below), whose sum is σ = 2828808480960. Its totient is φ = 1414397281320.

The previous prime is 2121601141313. The next prime is 2121601141349. The reversal of 2121601141347 is 7431411061212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121601141347 - 2²⁰ = 2121600092771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121601141349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395904 + ... + 2488322.

It is an arithmetic number, because the mean of its divisors is an integer number (353601060120).

Almost surely, 2^{2121601141347} is an apocalyptic number.

2121601141347 is a deficient number, since it is larger than the sum of its proper divisors (707207339613).

2121601141347 is a wasteful number, since it uses less digits than its factorization.

2121601141347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739793.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 2121601141347 in words is "two trillion, one hundred twenty-one billion, six hundred one million, one hundred forty-one thousand, three hundred forty-seven".