2120010101971 has 2 divisors, whose sum is σ = 2120010101972. Its totient is φ = 2120010101970.

The previous prime is 2120010101941. The next prime is 2120010102011. The reversal of 2120010101971 is 1791010100212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120010101971 - 2¹⁷ = 2120009970899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120010101941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060005050985 + 1060005050986.

It is an arithmetic number, because the mean of its divisors is an integer number (1060005050986).

Almost surely, 2^{2120010101971} is an apocalyptic number.

2120010101971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120010101971 is an equidigital number, since it uses as much as digits as its factorization.

2120010101971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 2120010101971 in words is "two trillion, one hundred twenty billion, ten million, one hundred one thousand, nine hundred seventy-one".