100120212210001 has 2 divisors, whose sum is σ = 100120212210002. Its totient is φ = 100120212210000.

The previous prime is 100120212209993. The next prime is 100120212210019. The reversal of 100120212210001 is 100012212021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89798385392401 + 10321826817600 = 9476201^2 + 3212760^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120212210001 - 2³ = 100120212209993 is a prime.

It is not a weakly prime, because it can be changed into another prime (100120212210091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060106105000 + 50060106105001.

It is an arithmetic number, because the mean of its divisors is an integer number (50060106105001).

Almost surely, 2^{100120212210001} is an apocalyptic number.

It is an amenable number.

100120212210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120212210001 is an equidigital number, since it uses as much as digits as its factorization.

100120212210001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100120212210001 its reverse (100012212021001), we get a palindrome (200132424231002).

The spelling of 100120212210001 in words is "one hundred trillion, one hundred twenty billion, two hundred twelve million, two hundred ten thousand, one".