340010010210021 has 4 divisors (see below), whose sum is σ = 453346680280032. Its totient is φ = 226673340140012.

The previous prime is 340010010209999. The next prime is 340010010210023. The reversal of 340010010210021 is 120012010010043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340010010210021 - 2³¹ = 340007862726373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340010010210023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56668335035001 + ... + 56668335035006.

It is an arithmetic number, because the mean of its divisors is an integer number (113336670070008).

Almost surely, 2^{340010010210021} is an apocalyptic number.

It is an amenable number.

340010010210021 is a deficient number, since it is larger than the sum of its proper divisors (113336670070011).

340010010210021 is a wasteful number, since it uses less digits than its factorization.

340010010210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113336670070010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 340010010210021 its reverse (120012010010043), we get a palindrome (460022020220064).

The spelling of 340010010210021 in words is "three hundred forty trillion, ten billion, ten million, two hundred ten thousand, twenty-one".