201011021007 has 16 divisors (see below), whose sum is σ = 279687556608. Its totient is φ = 128171751840.

The previous prime is 201011020957. The next prime is 201011021017. The reversal of 201011021007 is 700120110102.

It is not a de Polignac number, because 201011021007 - 2⁶ = 201011020943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011021017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940233 + ... + 1134045.

It is an arithmetic number, because the mean of its divisors is an integer number (17480472288).

Almost surely, 2^201011021007 is an apocalyptic number.

201011021007 is a deficient number, since it is larger than the sum of its proper divisors (78676535601).

201011021007 is a wasteful number, since it uses less digits than its factorization.

201011021007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208870.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 201011021007 its reverse (700120110102), we get a palindrome (901131131109).

The spelling of 201011021007 in words is "two hundred one billion, eleven million, twenty-one thousand, seven".