1021153112402 has 32 divisors (see below), whose sum is σ = 1584677952000. Its totient is φ = 493244779968.

The previous prime is 1021153112359. The next prime is 1021153112429. The reversal of 1021153112402 is 2042113511201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2505224 + ... + 2884172.

It is an arithmetic number, because the mean of its divisors is an integer number (49521186000).

Almost surely, 2^{1021153112402} is an apocalyptic number.

1021153112402 is a deficient number, since it is larger than the sum of its proper divisors (563524839598).

1021153112402 is a wasteful number, since it uses less digits than its factorization.

1021153112402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379370.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1021153112402 its reverse (2042113511201), we get a palindrome (3063266623603).

The spelling of 1021153112402 in words is "one trillion, twenty-one billion, one hundred fifty-three million, one hundred twelve thousand, four hundred two".