1020210003021 has 8 divisors (see below), whose sum is σ = 1483941822624. Its totient is φ = 618309092720.

The previous prime is 1020210003013. The next prime is 1020210003037. The reversal of 1020210003021 is 1203000120201.

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

It is not a de Polignac number, because 1020210003021 - 2³ = 1020210003013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020210002988 and 1020210003006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020210003041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15457727286 + ... + 15457727351.

It is an arithmetic number, because the mean of its divisors is an integer number (185492727828).

Almost surely, 2^{1020210003021} is an apocalyptic number.

1020210003021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020210003021 is a deficient number, since it is larger than the sum of its proper divisors (463731819603).

1020210003021 is a wasteful number, since it uses less digits than its factorization.

1020210003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30915454651.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1020210003021 its reverse (1203000120201), we get a palindrome (2223210123222).

The spelling of 1020210003021 in words is "one trillion, twenty billion, two hundred ten million, three thousand, twenty-one".