100121203333337 has 2 divisors, whose sum is σ = 100121203333338. Its totient is φ = 100121203333336.

The previous prime is 100121203333243. The next prime is 100121203333373. The reversal of 100121203333337 is 733333302121001.

Together with next prime (100121203333373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97481085309001 + 2640118024336 = 9873251^2 + 1624844^2 .

It is a cyclic number.

It is not a de Polignac number, because 100121203333337 - 2¹² = 100121203329241 is a prime.

It is not a weakly prime, because it can be changed into another prime (100121203333397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060601666668 + 50060601666669.

It is an arithmetic number, because the mean of its divisors is an integer number (50060601666669).

Almost surely, 2^{100121203333337} is an apocalyptic number.

It is an amenable number.

100121203333337 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121203333337 is an equidigital number, since it uses as much as digits as its factorization.

100121203333337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 32.

Adding to 100121203333337 its reverse (733333302121001), we get a palindrome (833454505454338).

The spelling of 100121203333337 in words is "one hundred trillion, one hundred twenty-one billion, two hundred three million, three hundred thirty-three thousand, three hundred thirty-seven".