1021020112230 has 16 divisors (see below), whose sum is σ = 2450448269424. Its totient is φ = 272272029920.

The previous prime is 1021020112199. The next prime is 1021020112271. The reversal of 1021020112230 is 322110201201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17017001841 + ... + 17017001900.

It is an arithmetic number, because the mean of its divisors is an integer number (153153016839).

Almost surely, 2^{1021020112230} is an apocalyptic number.

1021020112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021020112230 is an abundant number, since it is smaller than the sum of its proper divisors (1429428157194).

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

1021020112230 is a wasteful number, since it uses less digits than its factorization.

1021020112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34034003751.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1021020112230 its reverse (322110201201), we get a palindrome (1343130313431).

The spelling of 1021020112230 in words is "one trillion, twenty-one billion, twenty million, one hundred twelve thousand, two hundred thirty".