1210021211002 has 16 divisors (see below), whose sum is σ = 1824770001600. Its totient is φ = 601766602272.

The previous prime is 1210021210991. The next prime is 1210021211023. The reversal of 1210021211002 is 2001121200121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666238 + ... + 1692310.

It is an arithmetic number, because the mean of its divisors is an integer number (114048125100).

Almost surely, 2^{1210021211002} is an apocalyptic number.

1210021211002 is a deficient number, since it is larger than the sum of its proper divisors (614748790598).

1210021211002 is a wasteful number, since it uses less digits than its factorization.

1210021211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029237.

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

Adding to 1210021211002 its reverse (2001121200121), we get a palindrome (3211142411123).

The spelling of 1210021211002 in words is "one trillion, two hundred ten billion, twenty-one million, two hundred eleven thousand, two".