1200111121202 has 24 divisors (see below), whose sum is σ = 2094542679600. Its totient is φ = 514217596200.

The previous prime is 1200111121201. The next prime is 1200111121211. The reversal of 1200111121202 is 2021211110021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1200111121201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939452 + ... + 1811847.

It is an arithmetic number, because the mean of its divisors is an integer number (87272611650).

Almost surely, 2^{1200111121202} is an apocalyptic number.

1200111121202 is a deficient number, since it is larger than the sum of its proper divisors (894431558398).

1200111121202 is a wasteful number, since it uses less digits than its factorization.

1200111121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755766 (or 2755759 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1200111121202 its reverse (2021211110021), we get a palindrome (3221322231223).

The spelling of 1200111121202 in words is "one trillion, two hundred billion, one hundred eleven million, one hundred twenty-one thousand, two hundred two".