1211021202002 has 16 divisors (see below), whose sum is σ = 1825363451520. Its totient is φ = 602570138352.

The previous prime is 1211021201993. The next prime is 1211021202007. The reversal of 1211021202002 is 2002021201121.

It is not an unprimeable number, because it can be changed into a prime (1211021202007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145313 + ... + 1563060.

It is an arithmetic number, because the mean of its divisors is an integer number (114085215720).

Almost surely, 2^{1211021202002} is an apocalyptic number.

1211021202002 is a deficient number, since it is larger than the sum of its proper divisors (614342249518).

1211021202002 is a wasteful number, since it uses less digits than its factorization.

1211021202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710097.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1211021202002 its reverse (2002021201121), we get a palindrome (3213042403123).

The spelling of 1211021202002 in words is "one trillion, two hundred eleven billion, twenty-one million, two hundred two thousand, two".