201002222220187 has 2 divisors, whose sum is σ = 201002222220188. Its totient is φ = 201002222220186.

The previous prime is 201002222220109. The next prime is 201002222220257. The reversal of 201002222220187 is 781022222200102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201002222220187 - 2²³ = 201002213831579 is a prime.

It is not a weakly prime, because it can be changed into another prime (201002222220287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501111110093 + 100501111110094.

It is an arithmetic number, because the mean of its divisors is an integer number (100501111110094).

Almost surely, 2^{201002222220187} is an apocalyptic number.

201002222220187 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002222220187 is an equidigital number, since it uses as much as digits as its factorization.

201002222220187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

Adding to 201002222220187 its reverse (781022222200102), we get a palindrome (982024444420289).

The spelling of 201002222220187 in words is "two hundred one trillion, two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred eighty-seven".