100121001210983 has 2 divisors, whose sum is σ = 100121001210984. Its totient is φ = 100121001210982.

The previous prime is 100121001210977. The next prime is 100121001211001. The reversal of 100121001210983 is 389012100121001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100121001210983 - 2²² = 100120997016679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121001210383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060500605491 + 50060500605492.

It is an arithmetic number, because the mean of its divisors is an integer number (50060500605492).

Almost surely, 2^{100121001210983} is an apocalyptic number.

100121001210983 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121001210983 is an equidigital number, since it uses as much as digits as its factorization.

100121001210983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

Adding to 100121001210983 its reverse (389012100121001), we get a palindrome (489133101331984).

The spelling of 100121001210983 in words is "one hundred trillion, one hundred twenty-one billion, one million, two hundred ten thousand, nine hundred eighty-three".