2021210102030 has 64 divisors (see below), whose sum is σ = 4330162800000. Its totient is φ = 664599602688.

The previous prime is 2021210102029. The next prime is 2021210102071. The reversal of 2021210102030 is 302010121202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2021210101996 and 2021210102014.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3038705 + ... + 3643644.

It is an arithmetic number, because the mean of its divisors is an integer number (67658793750).

Almost surely, 2^{2021210102030} is an apocalyptic number.

2021210102030 is an abundant number, since it is smaller than the sum of its proper divisors (2308952697970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021210102030 is a wasteful number, since it uses less digits than its factorization.

2021210102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682541.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021210102030 its reverse (302010121202), we get a palindrome (2323220223232).

The spelling of 2021210102030 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred two thousand, thirty".