110202012221123 has 4 divisors (see below), whose sum is σ = 114993404056848. Its totient is φ = 105410620385400.

The previous prime is 110202012221117. The next prime is 110202012221131. The reversal of 110202012221123 is 321122210202011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110202012221123 - 2²² = 110202008026819 is a prime.

It is a super-2 number, since 2×110202012221123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110202012221095 and 110202012221104.

It is not an unprimeable number, because it can be changed into a prime (110202012721123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395695917828 + ... + 2395695917873.

It is an arithmetic number, because the mean of its divisors is an integer number (28748351014212).

Almost surely, 2^{110202012221123} is an apocalyptic number.

110202012221123 is a deficient number, since it is larger than the sum of its proper divisors (4791391835725).

110202012221123 is an equidigital number, since it uses as much as digits as its factorization.

110202012221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791391835724.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 110202012221123 its reverse (321122210202011), we get a palindrome (431324222423134).

The spelling of 110202012221123 in words is "one hundred ten trillion, two hundred two billion, twelve million, two hundred twenty-one thousand, one hundred twenty-three".