1102002010021 has 8 divisors (see below), whose sum is σ = 1202224041504. Its totient is φ = 1001786650320.

The previous prime is 1102002010009. The next prime is 1102002010037. The reversal of 1102002010021 is 1200102002011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102002010021 - 2³⁹ = 552246196133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102002010051) 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, 1319410 + ... + 1986163.

It is an arithmetic number, because the mean of its divisors is an integer number (150278005188).

Almost surely, 2^{1102002010021} is an apocalyptic number.

1102002010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102002010021 is a deficient number, since it is larger than the sum of its proper divisors (100222031483).

1102002010021 is a wasteful number, since it uses less digits than its factorization.

1102002010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335891.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1102002010021 its reverse (1200102002011), we get a palindrome (2302104012032).

The spelling of 1102002010021 in words is "one trillion, one hundred two billion, two million, ten thousand, twenty-one".