110212121101 has 8 divisors (see below), whose sum is σ = 114016999320. Its totient is φ = 106407540288.

The previous prime is 110212121083. The next prime is 110212121137. The reversal of 110212121101 is 101121212011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26001885001 + 84210236100 = 161251^2 + 290190^2 .

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 110212121101 - 2¹¹ = 110212119053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212121401) 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, 893175 + ... + 1009051.

It is an arithmetic number, because the mean of its divisors is an integer number (14252124915).

Almost surely, 2^110212121101 is an apocalyptic number.

It is an amenable number.

110212121101 is a deficient number, since it is larger than the sum of its proper divisors (3804878219).

110212121101 is a wasteful number, since it uses less digits than its factorization.

110212121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148703.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110212121101 its reverse (101121212011), we get a palindrome (211333333112).

The spelling of 110212121101 in words is "one hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred one".