201002012102026 has 4 divisors (see below), whose sum is σ = 301503018153042. Its totient is φ = 100501006051012.

The previous prime is 201002012101987. The next prime is 201002012102027. The reversal of 201002012102026 is 620201210200102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 199776994794001 + 1225017308025 = 14134249^2 + 1106805^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201002012101994 and 201002012102012.

It is not an unprimeable number, because it can be changed into a prime (201002012102027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250503025505 + ... + 50250503025508.

Almost surely, 2^{201002012102026} is an apocalyptic number.

201002012102026 is a deficient number, since it is larger than the sum of its proper divisors (100501006051016).

201002012102026 is a wasteful number, since it uses less digits than its factorization.

201002012102026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100501006051015.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201002012102026 its reverse (620201210200102), we get a palindrome (821203222302128).

The spelling of 201002012102026 in words is "two hundred one trillion, two billion, twelve million, one hundred two thousand, twenty-six".