121000112212100 has 36 divisors (see below), whose sum is σ = 286440265639248. Its totient is φ = 44000040804000.

The previous prime is 121000112212099. The next prime is 121000112212249. The reversal of 121000112212100 is 1212211000121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55000049906 + ... + 55000052105.

Almost surely, 2^{121000112212100} is an apocalyptic number.

121000112212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000112212100 is an abundant number, since it is smaller than the sum of its proper divisors (165440153427148).

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

121000112212100 is a wasteful number, since it uses less digits than its factorization.

121000112212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110000102036 (or 110000102029 counting only the distinct ones).

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

Adding to 121000112212100 its reverse (1212211000121), we get a palindrome (122212323212221).

The spelling of 121000112212100 in words is "one hundred twenty-one trillion, one hundred twelve million, two hundred twelve thousand, one hundred".