21314120701 has 2 divisors, whose sum is σ = 21314120702. Its totient is φ = 21314120700.

The previous prime is 21314120699. The next prime is 21314120717. The reversal of 21314120701 is 10702141312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12609044100 + 8705076601 = 112290^2 + 93301^2 .

It is a cyclic number.

It is not a de Polignac number, because 21314120701 - 2¹ = 21314120699 is a prime.

Together with 21314120699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21314120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10657060350 + 10657060351.

It is an arithmetic number, because the mean of its divisors is an integer number (10657060351).

Almost surely, 2^21314120701 is an apocalyptic number.

It is an amenable number.

21314120701 is a deficient number, since it is larger than the sum of its proper divisors (1).

21314120701 is an equidigital number, since it uses as much as digits as its factorization.

21314120701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The spelling of 21314120701 in words is "twenty-one billion, three hundred fourteen million, one hundred twenty thousand, seven hundred one".