1021040202630 has 128 divisors (see below), whose sum is σ = 3060962058240. Its totient is φ = 212566763520.

The previous prime is 1021040202607. The next prime is 1021040202631. The reversal of 1021040202630 is 362020401201.

It is a super-2 number, since 2×1021040202630² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1021040202597 and 1021040202606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021040202631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4502325 + ... + 4723664.

It is an arithmetic number, because the mean of its divisors is an integer number (23913766080).

Almost surely, 2^{1021040202630} is an apocalyptic number.

1021040202630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021040202630 is an abundant number, since it is smaller than the sum of its proper divisors (2039921855610).

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

1021040202630 is a wasteful number, since it uses less digits than its factorization.

1021040202630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226054.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1021040202630 its reverse (362020401201), we get a palindrome (1383060603831).

The spelling of 1021040202630 in words is "one trillion, twenty-one billion, forty million, two hundred two thousand, six hundred thirty".