121330133010 has 64 divisors (see below), whose sum is σ = 334703836800. Its totient is φ = 31239020736.

The previous prime is 121330133009. The next prime is 121330133069. The reversal of 121330133010 is 10331033121.

It is a happy number.

121330133010 is a `hidden beast` number, since 1 + 2 + 1 + 330 + 1 + 330 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7739944 + ... + 7755603.

It is an arithmetic number, because the mean of its divisors is an integer number (5229747450).

Almost surely, 2^121330133010 is an apocalyptic number.

121330133010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121330133010 is an abundant number, since it is smaller than the sum of its proper divisors (213373703790).

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

121330133010 is a wasteful number, since it uses less digits than its factorization.

121330133010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495592 (or 15495586 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121330133010 its reverse (10331033121), we get a palindrome (131661166131).

The spelling of 121330133010 in words is "one hundred twenty-one billion, three hundred thirty million, one hundred thirty-three thousand, ten".