10112210121 has 16 divisors (see below), whose sum is σ = 14525650944.
Its totient is φ = 6220518144.
The previous prime is 10112210099. The next prime is 10112210179. The reversal of 10112210121 is 12101221101.
It is not a de Polignac number, because 10112210121 - 25 = 10112210089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10112210097 and 10112210106.
It is not an unprimeable number, because it can be changed into a prime (10112210221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56545 + ... + 153041.
It is an arithmetic number, because the mean of its divisors is an integer number (907853184).
Almost surely, 210112210121 is an apocalyptic number.
It is an amenable number.
10112210121 is a deficient number, since it is larger than the sum of its proper divisors (4413440823).
10112210121 is a wasteful number, since it uses less digits than its factorization.
10112210121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99200.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 10112210121 its reverse (12101221101), we get a palindrome (22213431222).
The spelling of 10112210121 in words is "ten billion, one hundred twelve million, two hundred ten thousand, one hundred twenty-one".