210201001121057 has 2 divisors, whose sum is σ = 210201001121058. Its totient is φ = 210201001121056.

The previous prime is 210201001121011. The next prime is 210201001121113. The reversal of 210201001121057 is 750121100102012.

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., 193579471664656 + 16621529456401 = 13913284^2 + 4076951^2 .

It is a cyclic number.

It is not a de Polignac number, because 210201001121057 - 2⁸ = 210201001120801 is a prime.

It is not a weakly prime, because it can be changed into another prime (210201001124057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100500560528 + 105100500560529.

It is an arithmetic number, because the mean of its divisors is an integer number (105100500560529).

Almost surely, 2^{210201001121057} is an apocalyptic number.

It is an amenable number.

210201001121057 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201001121057 is an equidigital number, since it uses as much as digits as its factorization.

210201001121057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 210201001121057 its reverse (750121100102012), we get a palindrome (960322101223069).

The spelling of 210201001121057 in words is "two hundred ten trillion, two hundred one billion, one million, one hundred twenty-one thousand, fifty-seven".