1021112102002 has 8 divisors (see below), whose sum is σ = 1584484296300. Its totient is φ = 492950669904.

The previous prime is 1021112101993. The next prime is 1021112102011. The reversal of 1021112102002 is 2002012111201.

It is an interprime number because it is at equal distance from previous prime (1021112101993) and next prime (1021112102011).

It can be written as a sum of positive squares in 2 ways, for example, as 873718303441 + 147393798561 = 934729^2 + 383919^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8802690477 + ... + 8802690592.

Almost surely, 2^{1021112102002} is an apocalyptic number.

1021112102002 is a deficient number, since it is larger than the sum of its proper divisors (563372194298).

1021112102002 is a wasteful number, since it uses less digits than its factorization.

1021112102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17605381100.

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

Adding to 1021112102002 its reverse (2002012111201), we get a palindrome (3023124213203).

The spelling of 1021112102002 in words is "one trillion, twenty-one billion, one hundred twelve million, one hundred two thousand, two".