1021201211002 has 16 divisors (see below), whose sum is σ = 1842769103040. Its totient is φ = 414623047968.

The previous prime is 1021201210993. The next prime is 1021201211003. The reversal of 1021201211002 is 2001121021201.

It is not an unprimeable number, because it can be changed into a prime (1021201211003) 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, 1919550883 + ... + 1919551414.

It is an arithmetic number, because the mean of its divisors is an integer number (115173068940).

Almost surely, 2^{1021201211002} is an apocalyptic number.

1021201211002 is a deficient number, since it is larger than the sum of its proper divisors (821567892038).

1021201211002 is a wasteful number, since it uses less digits than its factorization.

1021201211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839102325.

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

Adding to 1021201211002 its reverse (2001121021201), we get a palindrome (3022322232203).

The spelling of 1021201211002 in words is "one trillion, twenty-one billion, two hundred one million, two hundred eleven thousand, two".