100121010002011 has 4 divisors (see below), whose sum is σ = 103573458622800. Its totient is φ = 96668561381224.

The previous prime is 100121010001997. The next prime is 100121010002029. The reversal of 100121010002011 is 110200010121001.

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 100121010002011 - 2²³ = 100121001613403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121010002071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726224310351 + ... + 1726224310408.

It is an arithmetic number, because the mean of its divisors is an integer number (25893364655700).

Almost surely, 2^{100121010002011} is an apocalyptic number.

100121010002011 is a deficient number, since it is larger than the sum of its proper divisors (3452448620789).

100121010002011 is an equidigital number, since it uses as much as digits as its factorization.

100121010002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452448620788.

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

Adding to 100121010002011 its reverse (110200010121001), we get a palindrome (210321020123012).

The spelling of 100121010002011 in words is "one hundred trillion, one hundred twenty-one billion, ten million, two thousand, eleven".