20111001102007 has 2 divisors, whose sum is σ = 20111001102008. Its totient is φ = 20111001102006.

The previous prime is 20111001101969. The next prime is 20111001102113. The reversal of 20111001102007 is 70020110011102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20111001102007 - 2¹⁹ = 20111000577719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111001102307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055500551003 + 10055500551004.

It is an arithmetic number, because the mean of its divisors is an integer number (10055500551004).

Almost surely, 2^{20111001102007} is an apocalyptic number.

20111001102007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111001102007 is an equidigital number, since it uses as much as digits as its factorization.

20111001102007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 20111001102007 its reverse (70020110011102), we get a palindrome (90131111113109).

The spelling of 20111001102007 in words is "twenty trillion, one hundred eleven billion, one million, one hundred two thousand, seven".