10100120001211 has 4 divisors (see below), whose sum is σ = 10177220154024. Its totient is φ = 10023019848400.

The previous prime is 10100120001149. The next prime is 10100120001217. The reversal of 10100120001211 is 11210002100101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10100120001211 - 2²¹ = 10100117904059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100120001217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38550076210 + ... + 38550076471.

It is an arithmetic number, because the mean of its divisors is an integer number (2544305038506).

Almost surely, 2^{10100120001211} is an apocalyptic number.

10100120001211 is a deficient number, since it is larger than the sum of its proper divisors (77100152813).

10100120001211 is an equidigital number, since it uses as much as digits as its factorization.

10100120001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77100152812.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10100120001211 its reverse (11210002100101), we get a palindrome (21310122101312).

The spelling of 10100120001211 in words is "ten trillion, one hundred billion, one hundred twenty million, one thousand, two hundred eleven".