100121111022047 has 2 divisors, whose sum is σ = 100121111022048. Its totient is φ = 100121111022046.

The previous prime is 100121111021999. The next prime is 100121111022071. The reversal of 100121111022047 is 740220111121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100121111022047 - 2⁸ = 100121111021791 is a prime.

It is a super-2 number, since 2×100121111022047² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121119022047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060555511023 + 50060555511024.

It is an arithmetic number, because the mean of its divisors is an integer number (50060555511024).

Almost surely, 2^{100121111022047} is an apocalyptic number.

100121111022047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121111022047 is an equidigital number, since it uses as much as digits as its factorization.

100121111022047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 100121111022047 its reverse (740220111121001), we get a palindrome (840341222143048).

The spelling of 100121111022047 in words is "one hundred trillion, one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, forty-seven".