2102030032021 has 8 divisors (see below), whose sum is σ = 2239333331904. Its totient is φ = 1966243896000.

The previous prime is 2102030032009. The next prime is 2102030032033. The reversal of 2102030032021 is 1202300302012.

It is an interprime number because it is at equal distance from previous prime (2102030032009) and next prime (2102030032033).

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 2102030032021 - 2¹³ = 2102030023829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102030031986 and 2102030032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102030032321) 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, 379288105 + ... + 379293646.

It is an arithmetic number, because the mean of its divisors is an integer number (279916666488).

Almost surely, 2^{2102030032021} is an apocalyptic number.

It is an amenable number.

2102030032021 is a deficient number, since it is larger than the sum of its proper divisors (137303299883).

2102030032021 is a wasteful number, since it uses less digits than its factorization.

2102030032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758581931.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2102030032021 its reverse (1202300302012), we get a palindrome (3304330334033).

The spelling of 2102030032021 in words is "two trillion, one hundred two billion, thirty million, thirty-two thousand, twenty-one".