100121102211047 has 2 divisors, whose sum is σ = 100121102211048. Its totient is φ = 100121102211046.

The previous prime is 100121102211037. The next prime is 100121102211127. The reversal of 100121102211047 is 740112201121001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100121102211047 - 2²² = 100121098016743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121102211037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060551105523 + 50060551105524.

It is an arithmetic number, because the mean of its divisors is an integer number (50060551105524).

Almost surely, 2^{100121102211047} is an apocalyptic number.

100121102211047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121102211047 is an equidigital number, since it uses as much as digits as its factorization.

100121102211047 is an evil number, because the sum of its binary digits is even.

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

Adding to 100121102211047 its reverse (740112201121001), we get a palindrome (840233303332048).

The spelling of 100121102211047 in words is "one hundred trillion, one hundred twenty-one billion, one hundred two million, two hundred eleven thousand, forty-seven".