1211122200202 has 16 divisors (see below), whose sum is σ = 1817503551360. Its totient is φ = 605287753488.

The previous prime is 1211122200187. The next prime is 1211122200269. The reversal of 1211122200202 is 2020022211121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47731323 + ... + 47756689.

It is an arithmetic number, because the mean of its divisors is an integer number (113593971960).

Almost surely, 2^{1211122200202} is an apocalyptic number.

1211122200202 is a deficient number, since it is larger than the sum of its proper divisors (606381351158).

1211122200202 is a wasteful number, since it uses less digits than its factorization.

1211122200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35205.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1211122200202 its reverse (2020022211121), we get a palindrome (3231144411323).

The spelling of 1211122200202 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, two hundred thousand, two hundred two".