1221132200102 has 32 divisors (see below), whose sum is σ = 1857552963840. Its totient is φ = 601989442560.

The previous prime is 1221132200089. The next prime is 1221132200107. The reversal of 1221132200102 is 2010022311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221132200107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96123083 + ... + 96135785.

It is an arithmetic number, because the mean of its divisors is an integer number (58048530120).

Almost surely, 2^{1221132200102} is an apocalyptic number.

1221132200102 is a deficient number, since it is larger than the sum of its proper divisors (636420763738).

1221132200102 is a wasteful number, since it uses less digits than its factorization.

1221132200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1221132200102 its reverse (2010022311221), we get a palindrome (3231154511323).

The spelling of 1221132200102 in words is "one trillion, two hundred twenty-one billion, one hundred thirty-two million, two hundred thousand, one hundred two".