121711622606 has 32 divisors (see below), whose sum is σ = 220733760000. Its totient is φ = 49168402272.

The previous prime is 121711622489. The next prime is 121711622677. The reversal of 121711622606 is 606226117121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096721 + ... + 1202588.

It is an arithmetic number, because the mean of its divisors is an integer number (6897930000).

Almost surely, 2^121711622606 is an apocalyptic number.

121711622606 is a deficient number, since it is larger than the sum of its proper divisors (99022137394).

121711622606 is a wasteful number, since it uses less digits than its factorization.

121711622606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299536.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 121711622606 its reverse (606226117121), we get a palindrome (727937739727).

The spelling of 121711622606 in words is "one hundred twenty-one billion, seven hundred eleven million, six hundred twenty-two thousand, six hundred six".