112121200121010 has 64 divisors (see below), whose sum is σ = 281858128662528. Its totient is φ = 28490289147584.

The previous prime is 112121200121003. The next prime is 112121200121011. The reversal of 112121200121010 is 10121002121211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (112121200121011) 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, 308743422 + ... + 309106361.

It is an arithmetic number, because the mean of its divisors is an integer number (4404033260352).

Almost surely, 2^{112121200121010} is an apocalyptic number.

112121200121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121200121010 is an abundant number, since it is smaller than the sum of its proper divisors (169736928541518).

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

112121200121010 is a wasteful number, since it uses less digits than its factorization.

112121200121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617850079.

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

Adding to 112121200121010 its reverse (10121002121211), we get a palindrome (122242202242221).

The spelling of 112121200121010 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-one thousand, ten".