1100212121202 has 32 divisors (see below), whose sum is σ = 2236601669760. Its totient is φ = 360708366720.

The previous prime is 1100212121171. The next prime is 1100212121251. The reversal of 1100212121202 is 2021212120011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9525574 + ... + 9640382.

It is an arithmetic number, because the mean of its divisors is an integer number (69893802180).

Almost surely, 2^{1100212121202} is an apocalyptic number.

1100212121202 is an abundant number, since it is smaller than the sum of its proper divisors (1136389548558).

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

1100212121202 is a wasteful number, since it uses less digits than its factorization.

1100212121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141058.

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

Adding to 1100212121202 its reverse (2021212120011), we get a palindrome (3121424241213).

The spelling of 1100212121202 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred twenty-one thousand, two hundred two".