1003211021040 has 160 divisors (see below), whose sum is σ = 3349853024256. Its totient is φ = 247636899840.

The previous prime is 1003211021039. The next prime is 1003211021081. The reversal of 1003211021040 is 401201123001.

It is a super-2 number, since 2×1003211021040² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2760189 + ... + 3102428.

Almost surely, 2^{1003211021040} is an apocalyptic number.

1003211021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003211021040 is an abundant number, since it is smaller than the sum of its proper divisors (2346642003216).

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

1003211021040 is a wasteful number, since it uses less digits than its factorization.

1003211021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862687 (or 5862681 counting only the distinct ones).

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

Adding to 1003211021040 its reverse (401201123001), we get a palindrome (1404412144041).

The spelling of 1003211021040 in words is "one trillion, three billion, two hundred eleven million, twenty-one thousand, forty".