1021111402030 has 64 divisors (see below), whose sum is σ = 2048904072000. Its totient is φ = 364122114048.

The previous prime is 1021111402001. The next prime is 1021111402033. The reversal of 1021111402030 is 302041111201.

It is a junction number, because it is equal to n+sod(n) for n = 1021111401995 and 1021111402013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021111402033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20870436 + ... + 20919304.

It is an arithmetic number, because the mean of its divisors is an integer number (32014126125).

Almost surely, 2^{1021111402030} is an apocalyptic number.

1021111402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021111402030 is an abundant number, since it is smaller than the sum of its proper divisors (1027792669970).

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

1021111402030 is a wasteful number, since it uses less digits than its factorization.

1021111402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55381.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021111402030 its reverse (302041111201), we get a palindrome (1323152513231).

The spelling of 1021111402030 in words is "one trillion, twenty-one billion, one hundred eleven million, four hundred two thousand, thirty".