110101220012121 has 32 divisors (see below), whose sum is σ = 160422766893312. Its totient is φ = 66758467921920.

The previous prime is 110101220012117. The next prime is 110101220012137. The reversal of 110101220012121 is 121210022101011.

It is a happy number.

It is not a de Polignac number, because 110101220012121 - 2² = 110101220012117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110101220012121.

It is not an unprimeable number, because it can be changed into a prime (110101220012171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16872160 + ... + 22469361.

It is an arithmetic number, because the mean of its divisors is an integer number (5013211465416).

Almost surely, 2^{110101220012121} is an apocalyptic number.

It is an amenable number.

110101220012121 is a deficient number, since it is larger than the sum of its proper divisors (50321546881191).

110101220012121 is a wasteful number, since it uses less digits than its factorization.

110101220012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39342593.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110101220012121 its reverse (121210022101011), we get a palindrome (231311242113132).

The spelling of 110101220012121 in words is "one hundred ten trillion, one hundred one billion, two hundred twenty million, twelve thousand, one hundred twenty-one".