1021111002002 has 16 divisors (see below), whose sum is σ = 1885128004032. Its totient is φ = 403956000720.

The previous prime is 1021111001993. The next prime is 1021111002017. The reversal of 1021111002002 is 2002001111201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805249824 + ... + 2805250187.

It is an arithmetic number, because the mean of its divisors is an integer number (117820500252).

Almost surely, 2^{1021111002002} is an apocalyptic number.

1021111002002 is a deficient number, since it is larger than the sum of its proper divisors (864017002030).

1021111002002 is a wasteful number, since it uses less digits than its factorization.

1021111002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610500033.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021111002002 its reverse (2002001111201), we get a palindrome (3023112113203).

The spelling of 1021111002002 in words is "one trillion, twenty-one billion, one hundred eleven million, two thousand, two".