1020211221002 has 8 divisors (see below), whose sum is σ = 1540451380512. Its totient is φ = 506727427500.

The previous prime is 1020211220989. The next prime is 1020211221011. The reversal of 1020211221002 is 2001221120201.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1689091124 + ... + 1689091727.

It is an arithmetic number, because the mean of its divisors is an integer number (192556422564).

Almost surely, 2^{1020211221002} is an apocalyptic number.

1020211221002 is a deficient number, since it is larger than the sum of its proper divisors (520240159510).

1020211221002 is a wasteful number, since it uses less digits than its factorization.

1020211221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378183004.

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

Adding to 1020211221002 its reverse (2001221120201), we get a palindrome (3021432341203).

The spelling of 1020211221002 in words is "one trillion, twenty billion, two hundred eleven million, two hundred twenty-one thousand, two".