100121211211011 has 8 divisors (see below), whose sum is σ = 133495254186000. Its totient is φ = 66747321188352.

The previous prime is 100121211210997. The next prime is 100121211211013. The reversal of 100121211211011 is 110112112121001.

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

It is not a de Polignac number, because 100121211211011 - 2¹⁹ = 100121210686723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121211211013) 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, 36701886 + ... + 39335363.

It is an arithmetic number, because the mean of its divisors is an integer number (16686906773250).

Almost surely, 2^{100121211211011} is an apocalyptic number.

100121211211011 is a deficient number, since it is larger than the sum of its proper divisors (33374042974989).

100121211211011 is an equidigital number, since it uses as much as digits as its factorization.

100121211211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76476165.

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

Adding to 100121211211011 its reverse (110112112121001), we get a palindrome (210233323332012).

The spelling of 100121211211011 in words is "one hundred trillion, one hundred twenty-one billion, two hundred eleven million, two hundred eleven thousand, eleven".