1021144013102 has 4 divisors (see below), whose sum is σ = 1531716019656. Its totient is φ = 510572006550.

The previous prime is 1021144013089. The next prime is 1021144013107. The reversal of 1021144013102 is 2013104411201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021144013107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255286003274 + ... + 255286003277.

It is an arithmetic number, because the mean of its divisors is an integer number (382929004914).

Almost surely, 2^{1021144013102} is an apocalyptic number.

1021144013102 is a deficient number, since it is larger than the sum of its proper divisors (510572006554).

1021144013102 is an equidigital number, since it uses as much as digits as its factorization.

1021144013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510572006553.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1021144013102 its reverse (2013104411201), we get a palindrome (3034248424303).

The spelling of 1021144013102 in words is "one trillion, twenty-one billion, one hundred forty-four million, thirteen thousand, one hundred two".