110011210121020 has 96 divisors (see below), whose sum is σ = 262090968955200. Its totient is φ = 38451982086144.

The previous prime is 110011210120919. The next prime is 110011210121051. The reversal of 110011210121020 is 20121012110011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2177815 + ... + 14992174.

It is an arithmetic number, because the mean of its divisors is an integer number (2730114259950).

Almost surely, 2^{110011210121020} is an apocalyptic number.

110011210121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110011210121020 is an abundant number, since it is smaller than the sum of its proper divisors (152079758834180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110011210121020 is a wasteful number, since it uses less digits than its factorization.

110011210121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17171327 (or 17171325 counting only the distinct ones).

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

Adding to 110011210121020 its reverse (20121012110011), we get a palindrome (130132222231031).

The spelling of 110011210121020 in words is "one hundred ten trillion, eleven billion, two hundred ten million, one hundred twenty-one thousand, twenty".