121112201122000 has 120 divisors (see below), whose sum is σ = 321892208970696. Its totient is φ = 44040800320000.

The previous prime is 121112201121943. The next prime is 121112201122027. The reversal of 121112201122000 is 221102211121.

It can be written as a sum of positive squares in 4 ways, for example, as 33764559889984 + 87347641232016 = 5810728^2 + 9345996^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249989821 + ... + 250473820.

Almost surely, 2^{121112201122000} is an apocalyptic number.

121112201122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121112201122000 is an abundant number, since it is smaller than the sum of its proper divisors (200780007848696).

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

121112201122000 is a wasteful number, since it uses less digits than its factorization.

121112201122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500463686 (or 500463659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121112201122000 its reverse (221102211121), we get a palindrome (121333303333121).

The spelling of 121112201122000 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred one million, one hundred twenty-two thousand".