1200210121102 has 4 divisors (see below), whose sum is σ = 1800315181656. Its totient is φ = 600105060550.

The previous prime is 1200210121093. The next prime is 1200210121183. The reversal of 1200210121102 is 2011210120021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300052530274 + ... + 300052530277.

It is an arithmetic number, because the mean of its divisors is an integer number (450078795414).

Almost surely, 2^{1200210121102} is an apocalyptic number.

1200210121102 is a deficient number, since it is larger than the sum of its proper divisors (600105060554).

1200210121102 is an equidigital number, since it uses as much as digits as its factorization.

1200210121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600105060553.

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

Adding to 1200210121102 its reverse (2011210120021), we get a palindrome (3211420241123).

The spelling of 1200210121102 in words is "one trillion, two hundred billion, two hundred ten million, one hundred twenty-one thousand, one hundred two".