1021240343002 has 16 divisors (see below), whose sum is σ = 1671137064000. Its totient is φ = 464195571840.

The previous prime is 1021240342957. The next prime is 1021240343021. The reversal of 1021240343002 is 2003430421201.

It is a super-5 number, since 5×1021240343002⁵ (a number of 61 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3, 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 3168499 + ... + 3475897.

It is an arithmetic number, because the mean of its divisors is an integer number (104446066500).

Almost surely, 2^{1021240343002} is an apocalyptic number.

1021240343002 is a deficient number, since it is larger than the sum of its proper divisors (649896720998).

1021240343002 is a wasteful number, since it uses less digits than its factorization.

1021240343002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458421.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1021240343002 its reverse (2003430421201), we get a palindrome (3024670764203).

The spelling of 1021240343002 in words is "one trillion, twenty-one billion, two hundred forty million, three hundred forty-three thousand, two".