1200211221102 has 8 divisors (see below), whose sum is σ = 2400422442216. Its totient is φ = 400070407032.

The previous prime is 1200211221091. The next prime is 1200211221113. The reversal of 1200211221102 is 2011221120021.

It is an interprime number because it is at equal distance from previous prime (1200211221091) and next prime (1200211221113).

It is a sphenic number, since it is the product of 3 distinct primes.

1200211221102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100017601753 + ... + 100017601764.

It is an arithmetic number, because the mean of its divisors is an integer number (300052805277).

Almost surely, 2^{1200211221102} is an apocalyptic number.

1200211221102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200211221102 is a wasteful number, since it uses less digits than its factorization.

1200211221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200035203522.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200211221102 its reverse (2011221120021), we get a palindrome (3211432341123).

The spelling of 1200211221102 in words is "one trillion, two hundred billion, two hundred eleven million, two hundred twenty-one thousand, one hundred two".