121203331221010 has 16 divisors (see below), whose sum is σ = 218403391204800. Its totient is φ = 48428578042416.

The previous prime is 121203331220987. The next prime is 121203331221023. The reversal of 121203331221010 is 10122133302121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6594296100 + ... + 6594314479.

It is an arithmetic number, because the mean of its divisors is an integer number (13650211950300).

Almost surely, 2^{121203331221010} is an apocalyptic number.

121203331221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121203331221010 is a deficient number, since it is larger than the sum of its proper divisors (97200059983790).

121203331221010 is a wasteful number, since it uses less digits than its factorization.

121203331221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13188611505.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121203331221010 its reverse (10122133302121), we get a palindrome (131325464523131).

The spelling of 121203331221010 in words is "one hundred twenty-one trillion, two hundred three billion, three hundred thirty-one million, two hundred twenty-one thousand, ten".