2001570150101 has 2 divisors, whose sum is σ = 2001570150102. Its totient is φ = 2001570150100.

The previous prime is 2001570150077. The next prime is 2001570150103. The reversal of 2001570150101 is 1010510751002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1880260743076 + 121309407025 = 1371226^2 + 348295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001570150101 - 2²² = 2001565955797 is a prime.

Together with 2001570150103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001570150103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000785075050 + 1000785075051.

It is an arithmetic number, because the mean of its divisors is an integer number (1000785075051).

Almost surely, 2^{2001570150101} is an apocalyptic number.

It is an amenable number.

2001570150101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001570150101 is an equidigital number, since it uses as much as digits as its factorization.

2001570150101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 23.

The spelling of 2001570150101 in words is "two trillion, one billion, five hundred seventy million, one hundred fifty thousand, one hundred one".