30221011966688 has 48 divisors (see below), whose sum is σ = 60462278331840. Its totient is φ = 14867464851456.

The previous prime is 30221011966687. The next prime is 30221011966697. The reversal of 30221011966688 is 88666911012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221011966687) 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, 30006728 + ... + 30997511.

It is an arithmetic number, because the mean of its divisors is an integer number (1259630798580).

Almost surely, 2^{30221011966688} is an apocalyptic number.

It is an amenable number.

30221011966688 is an abundant number, since it is smaller than the sum of its proper divisors (30241266365152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221011966688 is a wasteful number, since it uses less digits than its factorization.

30221011966688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61004499 (or 61004491 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 30221011966688 in words is "thirty trillion, two hundred twenty-one billion, eleven million, nine hundred sixty-six thousand, six hundred eighty-eight".