11012111210121 has 8 divisors (see below), whose sum is σ = 16780359939264. Its totient is φ = 6292634977200.

The previous prime is 11012111210047. The next prime is 11012111210123. The reversal of 11012111210121 is 12101211121011.

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

It is not a de Polignac number, because 11012111210121 - 2⁷ = 11012111209993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11012111210121.

It is not an unprimeable number, because it can be changed into a prime (11012111210123) 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, 262193124030 + ... + 262193124071.

It is an arithmetic number, because the mean of its divisors is an integer number (2097544992408).

Almost surely, 2^{11012111210121} is an apocalyptic number.

It is an amenable number.

11012111210121 is a deficient number, since it is larger than the sum of its proper divisors (5768248729143).

11012111210121 is an equidigital number, since it uses as much as digits as its factorization.

11012111210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524386248111.

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

Adding to 11012111210121 its reverse (12101211121011), we get a palindrome (23113322331132).

The spelling of 11012111210121 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred ten thousand, one hundred twenty-one".