121021200100230 has 32 divisors (see below), whose sum is σ = 290456358997248. Its totient is φ = 32271711276000.

The previous prime is 121021200100223. The next prime is 121021200100249. The reversal of 121021200100230 is 32001002120121.

It is a super-2 number, since 2×121021200100230² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 36428866 + ... + 39611925.

It is an arithmetic number, because the mean of its divisors is an integer number (9076761218664).

Almost surely, 2^{121021200100230} is an apocalyptic number.

121021200100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021200100230 is an abundant number, since it is smaller than the sum of its proper divisors (169435158897018).

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

121021200100230 is a wasteful number, since it uses less digits than its factorization.

121021200100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76093852.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121021200100230 its reverse (32001002120121), we get a palindrome (153022202220351).

The spelling of 121021200100230 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred million, one hundred thousand, two hundred thirty".