1020021110030 has 24 divisors (see below), whose sum is σ = 1988135823672. Its totient is φ = 376623178464.

The previous prime is 1020021110029. The next prime is 1020021110041. The reversal of 1020021110030 is 300111200201.

It is a junction number, because it is equal to n+sod(n) for n = 1020021109993 and 1020021110020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301779704 + ... + 301783083.

It is an arithmetic number, because the mean of its divisors is an integer number (82838992653).

Almost surely, 2^{1020021110030} is an apocalyptic number.

1020021110030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020021110030 is a deficient number, since it is larger than the sum of its proper divisors (968114713642).

1020021110030 is a wasteful number, since it uses less digits than its factorization.

1020021110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603562820 (or 603562807 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1020021110030 its reverse (300111200201), we get a palindrome (1320132310231).

The spelling of 1020021110030 in words is "one trillion, twenty billion, twenty-one million, one hundred ten thousand, thirty".