100211001022111 has 6 divisors (see below), whose sum is σ = 116571980780880. Its totient is φ = 85895143733196.

The previous prime is 100211001022087. The next prime is 100211001022141. The reversal of 100211001022111 is 111220100112001.

It is a happy number.

It is not a de Polignac number, because 100211001022111 - 2²⁵ = 100210967467679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100211001022091 and 100211001022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211001022141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1022561234871 + ... + 1022561234968.

It is an arithmetic number, because the mean of its divisors is an integer number (19428663463480).

Almost surely, 2^{100211001022111} is an apocalyptic number.

100211001022111 is a deficient number, since it is larger than the sum of its proper divisors (16360979758769).

100211001022111 is an equidigital number, since it uses as much as digits as its factorization.

100211001022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045122469853 (or 2045122469846 counting only the distinct ones).

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

Adding to 100211001022111 its reverse (111220100112001), we get a palindrome (211431101134112).

The spelling of 100211001022111 in words is "one hundred trillion, two hundred eleven billion, one million, twenty-two thousand, one hundred eleven".