20101012207 has 2 divisors, whose sum is σ = 20101012208. Its totient is φ = 20101012206.

The previous prime is 20101012111. The next prime is 20101012241. The reversal of 20101012207 is 70221010102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20101012207 - 2¹⁹ = 20100487919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20101012297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050506103 + 10050506104.

It is an arithmetic number, because the mean of its divisors is an integer number (10050506104).

Almost surely, 2^20101012207 is an apocalyptic number.

20101012207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101012207 is an equidigital number, since it uses as much as digits as its factorization.

20101012207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 20101012207 its reverse (70221010102), we get a palindrome (90322022309).

The spelling of 20101012207 in words is "twenty billion, one hundred one million, twelve thousand, two hundred seven".