221100101121007 has 2 divisors, whose sum is σ = 221100101121008. Its totient is φ = 221100101121006.

The previous prime is 221100101120957. The next prime is 221100101121013. The reversal of 221100101121007 is 700121101001122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221100101121007 - 2¹⁵ = 221100101088239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221100101121017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550050560503 + 110550050560504.

It is an arithmetic number, because the mean of its divisors is an integer number (110550050560504).

Almost surely, 2^{221100101121007} is an apocalyptic number.

221100101121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100101121007 is an equidigital number, since it uses as much as digits as its factorization.

221100101121007 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 19.

Adding to 221100101121007 its reverse (700121101001122), we get a palindrome (921221202122129).

The spelling of 221100101121007 in words is "two hundred twenty-one trillion, one hundred billion, one hundred one million, one hundred twenty-one thousand, seven".