121000200022112 has 96 divisors (see below), whose sum is σ = 246237206560128. Its totient is φ = 58497171849216.

The previous prime is 121000200022063. The next prime is 121000200022189. The reversal of 121000200022112 is 211220002000121.

It is a super-2 number, since 2×121000200022112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80515088 + ... + 82004144.

It is an arithmetic number, because the mean of its divisors is an integer number (2564970901668).

Almost surely, 2^{121000200022112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121000200022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123118603280064).

121000200022112 is an abundant number, since it is smaller than the sum of its proper divisors (125237006538016).

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

121000200022112 is a wasteful number, since it uses less digits than its factorization.

121000200022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489768 (or 1489760 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121000200022112 its reverse (211220002000121), we get a palindrome (332220202022233).

The spelling of 121000200022112 in words is "one hundred twenty-one trillion, two hundred million, twenty-two thousand, one hundred twelve".