100211021121111 has 8 divisors (see below), whose sum is σ = 133693430659824. Its totient is φ = 66767979498240.

The previous prime is 100211021121103. The next prime is 100211021121163. The reversal of 100211021121111 is 111121120112001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100211021121111 - 2³ = 100211021121103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211021121191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9841973020 + ... + 9841983201.

It is an arithmetic number, because the mean of its divisors is an integer number (16711678832478).

Almost surely, 2^{100211021121111} is an apocalyptic number.

100211021121111 is a deficient number, since it is larger than the sum of its proper divisors (33482409538713).

100211021121111 is a wasteful number, since it uses less digits than its factorization.

100211021121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19683957921.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100211021121111 its reverse (111121120112001), we get a palindrome (211332141233112).

The spelling of 100211021121111 in words is "one hundred trillion, two hundred eleven billion, twenty-one million, one hundred twenty-one thousand, one hundred eleven".