1102002012021 has 8 divisors (see below), whose sum is σ = 1469997589984. Its totient is φ = 734337221040.

The previous prime is 1102002011963. The next prime is 1102002012077. The reversal of 1102002012021 is 1202102002011.

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

It is not a de Polignac number, because 1102002012021 - 2¹⁰ = 1102002010997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102002011988 and 1102002012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102002012721) 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, 82688971 + ... + 82702296.

It is an arithmetic number, because the mean of its divisors is an integer number (183749698748).

Almost surely, 2^{1102002012021} is an apocalyptic number.

It is an amenable number.

1102002012021 is a deficient number, since it is larger than the sum of its proper divisors (367995577963).

1102002012021 is a wasteful number, since it uses less digits than its factorization.

1102002012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165393491.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1102002012021 its reverse (1202102002011), we get a palindrome (2304104014032).

The spelling of 1102002012021 in words is "one trillion, one hundred two billion, two million, twelve thousand, twenty-one".