102030033311021 has 8 divisors (see below), whose sum is σ = 106473291025344. Its totient is φ = 97587373039200.

The previous prime is 102030033310981. The next prime is 102030033311029. The reversal of 102030033311021 is 120113330030201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102030033311021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102030033310984 and 102030033311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030033311029) 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, 149011616 + ... + 149694761.

It is an arithmetic number, because the mean of its divisors is an integer number (13309161378168).

Almost surely, 2^{102030033311021} is an apocalyptic number.

It is an amenable number.

102030033311021 is a deficient number, since it is larger than the sum of its proper divisors (4443257714323).

102030033311021 is a wasteful number, since it uses less digits than its factorization.

102030033311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298721251.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 102030033311021 its reverse (120113330030201), we get a palindrome (222143363341222).

The spelling of 102030033311021 in words is "one hundred two trillion, thirty billion, thirty-three million, three hundred eleven thousand, twenty-one".