610212119091 has 4 divisors (see below), whose sum is σ = 813616158792. Its totient is φ = 406808079392.

The previous prime is 610212119087. The next prime is 610212119113. The reversal of 610212119091 is 190911212016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 610212119091 - 2² = 610212119087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (610212119071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101702019846 + ... + 101702019851.

It is an arithmetic number, because the mean of its divisors is an integer number (203404039698).

Almost surely, 2^610212119091 is an apocalyptic number.

610212119091 is a deficient number, since it is larger than the sum of its proper divisors (203404039701).

610212119091 is a wasteful number, since it uses less digits than its factorization.

610212119091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203404039700.

The product of its (nonzero) digits is 1944, while the sum is 33.

The spelling of 610212119091 in words is "six hundred ten billion, two hundred twelve million, one hundred nineteen thousand, ninety-one".