202001210122051 has 2 divisors, whose sum is σ = 202001210122052. Its totient is φ = 202001210122050.

The previous prime is 202001210122009. The next prime is 202001210122079. The reversal of 202001210122051 is 150221012100202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202001210122051 is a prime.

It is not a weakly prime, because it can be changed into another prime (202001210122091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000605061025 + 101000605061026.

It is an arithmetic number, because the mean of its divisors is an integer number (101000605061026).

Almost surely, 2^{202001210122051} is an apocalyptic number.

202001210122051 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001210122051 is an equidigital number, since it uses as much as digits as its factorization.

202001210122051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 202001210122051 its reverse (150221012100202), we get a palindrome (352222222222253).

The spelling of 202001210122051 in words is "two hundred two trillion, one billion, two hundred ten million, one hundred twenty-two thousand, fifty-one".