1021231015002 has 32 divisors (see below), whose sum is σ = 2475711552960. Its totient is φ = 309463943760.

The previous prime is 1021231014983. The next prime is 1021231015073. The reversal of 1021231015002 is 2005101321201.

1021231015002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1021231015002³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859621473 + ... + 859622660.

It is an arithmetic number, because the mean of its divisors is an integer number (77365986030).

Almost surely, 2^{1021231015002} is an apocalyptic number.

1021231015002 is an abundant number, since it is smaller than the sum of its proper divisors (1454480537958).

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

1021231015002 is a wasteful number, since it uses less digits than its factorization.

1021231015002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719244155 (or 1719244149 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 1021231015002 its reverse (2005101321201), we get a palindrome (3026332336203).

The spelling of 1021231015002 in words is "one trillion, twenty-one billion, two hundred thirty-one million, fifteen thousand, two".