1021113021030 has 32 divisors (see below), whose sum is σ = 2456253676800. Its totient is φ = 271676536032.

The previous prime is 1021113021013. The next prime is 1021113021031. The reversal of 1021113021030 is 301203111201.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021113021031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38753460 + ... + 38779799.

It is an arithmetic number, because the mean of its divisors is an integer number (76757927400).

Almost surely, 2^{1021113021030} is an apocalyptic number.

1021113021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021113021030 is an abundant number, since it is smaller than the sum of its proper divisors (1435140655770).

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

1021113021030 is a wasteful number, since it uses less digits than its factorization.

1021113021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77533708.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1021113021030 its reverse (301203111201), we get a palindrome (1322316132231).

The spelling of 1021113021030 in words is "one trillion, twenty-one billion, one hundred thirteen million, twenty-one thousand, thirty".