100121011002211 has 4 divisors (see below), whose sum is σ = 102010086681552. Its totient is φ = 98231935322872.

The previous prime is 100121011002197. The next prime is 100121011002251. The reversal of 100121011002211 is 112200110121001.

It is a happy number.

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 100121011002211 - 2¹³ = 100121010994019 is a prime.

It is a super-2 number, since 2×100121011002211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100121011002191 and 100121011002200.

It is not an unprimeable number, because it can be changed into a prime (100121011002251) 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, 944537839591 + ... + 944537839696.

It is an arithmetic number, because the mean of its divisors is an integer number (25502521670388).

Almost surely, 2^{100121011002211} is an apocalyptic number.

100121011002211 is a deficient number, since it is larger than the sum of its proper divisors (1889075679341).

100121011002211 is an equidigital number, since it uses as much as digits as its factorization.

100121011002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889075679340.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100121011002211 its reverse (112200110121001), we get a palindrome (212321121123212).

The spelling of 100121011002211 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, two thousand, two hundred eleven".