211110102100121 has 8 divisors (see below), whose sum is σ = 241269180836544. Its totient is φ = 180951146544240.

The previous prime is 211110102100097. The next prime is 211110102100159. The reversal of 211110102100121 is 121001201011112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211110102100121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211110102100096 and 211110102100105.

It is not an unprimeable number, because it can be changed into a prime (211110102100171) 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, 27092975 + ... + 34003668.

It is an arithmetic number, because the mean of its divisors is an integer number (30158647604568).

Almost surely, 2^{211110102100121} is an apocalyptic number.

It is an amenable number.

211110102100121 is a deficient number, since it is larger than the sum of its proper divisors (30159078736423).

211110102100121 is an equidigital number, since it uses as much as digits as its factorization.

211110102100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61590271.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211110102100121 its reverse (121001201011112), we get a palindrome (332111303111233).

The spelling of 211110102100121 in words is "two hundred eleven trillion, one hundred ten billion, one hundred two million, one hundred thousand, one hundred twenty-one".