2101201111007 has 2 divisors, whose sum is σ = 2101201111008. Its totient is φ = 2101201111006.

The previous prime is 2101201110997. The next prime is 2101201111039. The reversal of 2101201111007 is 7001111021012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101201111007 - 2¹⁴ = 2101201094623 is a prime.

It is a super-2 number, since 2×2101201111007² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101201111057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050600555503 + 1050600555504.

It is an arithmetic number, because the mean of its divisors is an integer number (1050600555504).

Almost surely, 2^{2101201111007} is an apocalyptic number.

2101201111007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101201111007 is an equidigital number, since it uses as much as digits as its factorization.

2101201111007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 2101201111007 its reverse (7001111021012), we get a palindrome (9102312132019).

The spelling of 2101201111007 in words is "two trillion, one hundred one billion, two hundred one million, one hundred eleven thousand, seven".