1200120121102 has 32 divisors (see below), whose sum is σ = 2088137779200. Its totient is φ = 506669611968.

The previous prime is 1200120121073. The next prime is 1200120121141. The reversal of 1200120121102 is 2011210210021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750343 + ... + 1721410.

It is an arithmetic number, because the mean of its divisors is an integer number (65254305600).

Almost surely, 2^{1200120121102} is an apocalyptic number.

1200120121102 is a deficient number, since it is larger than the sum of its proper divisors (888017658098).

1200120121102 is a wasteful number, since it uses less digits than its factorization.

1200120121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472280.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200120121102 its reverse (2011210210021), we get a palindrome (3211330331123).

The spelling of 1200120121102 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred twenty-one thousand, one hundred two".