121020212222200 has 96 divisors (see below), whose sum is σ = 298802117962800. Its totient is φ = 45454447503360.

The previous prime is 121020212222183. The next prime is 121020212222281. The reversal of 121020212222200 is 2222212020121.

121020212222200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 140488407 + ... + 141347206.

Almost surely, 2^{121020212222200} is an apocalyptic number.

121020212222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121020212222200 is an abundant number, since it is smaller than the sum of its proper divisors (177781905740600).

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

121020212222200 is a wasteful number, since it uses less digits than its factorization.

121020212222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281835761 (or 281835752 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121020212222200 its reverse (2222212020121), we get a palindrome (123242424242321).

The spelling of 121020212222200 in words is "one hundred twenty-one trillion, twenty billion, two hundred twelve million, two hundred twenty-two thousand, two hundred".