10111210111121 has 8 divisors (see below), whose sum is σ = 11556938206464. Its totient is φ = 8665799392800.

The previous prime is 10111210111117. The next prime is 10111210111133. The reversal of 10111210111121 is 12111101211101.

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

It is a cyclic number.

It is not a de Polignac number, because 10111210111121 - 2² = 10111210111117 is a prime.

It is a super-2 number, since 2×10111210111121² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10111210111096 and 10111210111105.

It is not an unprimeable number, because it can be changed into a prime (10111210111421) 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, 79275980 + ... + 79403421.

It is an arithmetic number, because the mean of its divisors is an integer number (1444617275808).

Almost surely, 2^{10111210111121} is an apocalyptic number.

It is an amenable number.

10111210111121 is a deficient number, since it is larger than the sum of its proper divisors (1445728095343).

10111210111121 is an equidigital number, since it uses as much as digits as its factorization.

10111210111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158688511.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 10111210111121 its reverse (12111101211101), we get a palindrome (22222311322222).

The spelling of 10111210111121 in words is "ten trillion, one hundred eleven billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-one".