2121606217003 has 8 divisors (see below), whose sum is σ = 2611207651808. Its totient is φ = 1678633490304.

The previous prime is 2121606216973. The next prime is 2121606217009. The reversal of 2121606217003 is 3007126061212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121606217003 - 2¹³ = 2121606208811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121606217009) 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, 11657176926 + ... + 11657177107.

It is an arithmetic number, because the mean of its divisors is an integer number (326400956476).

Almost surely, 2^{2121606217003} is an apocalyptic number.

2121606217003 is a deficient number, since it is larger than the sum of its proper divisors (489601434805).

2121606217003 is a wasteful number, since it uses less digits than its factorization.

2121606217003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23314354053.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 2121606217003 in words is "two trillion, one hundred twenty-one billion, six hundred six million, two hundred seventeen thousand, three".