30211110210977 has 2 divisors, whose sum is σ = 30211110210978. Its totient is φ = 30211110210976.

The previous prime is 30211110210937. The next prime is 30211110211031. The reversal of 30211110210977 is 77901201111203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17323900515601 + 12887209695376 = 4162199^2 + 3589876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30211110210977 is a prime.

It is a super-2 number, since 2×30211110210977² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30211110210937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105555105488 + 15105555105489.

It is an arithmetic number, because the mean of its divisors is an integer number (15105555105489).

Almost surely, 2^{30211110210977} is an apocalyptic number.

It is an amenable number.

30211110210977 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211110210977 is an equidigital number, since it uses as much as digits as its factorization.

30211110210977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 35.

The spelling of 30211110210977 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, two hundred ten thousand, nine hundred seventy-seven".