121000020211112 has 64 divisors (see below), whose sum is σ = 261047956291200. Its totient is φ = 51505821849600.

The previous prime is 121000020211111. The next prime is 121000020211153. The reversal of 121000020211112 is 211112020000121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (121000020211111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6330662 + ... + 16795157.

It is an arithmetic number, because the mean of its divisors is an integer number (4078874317050).

Almost surely, 2^{121000020211112} is an apocalyptic number.

It is an amenable number.

121000020211112 is an abundant number, since it is smaller than the sum of its proper divisors (140047936080088).

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

121000020211112 is a wasteful number, since it uses less digits than its factorization.

121000020211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23126466 (or 23126462 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121000020211112 its reverse (211112020000121), we get a palindrome (332112040211233).

The spelling of 121000020211112 in words is "one hundred twenty-one trillion, twenty million, two hundred eleven thousand, one hundred twelve".