1021301312223 has 16 divisors (see below), whose sum is σ = 1395025867872. Its totient is φ = 664224000000.

The previous prime is 1021301312173. The next prime is 1021301312231. The reversal of 1021301312223 is 3222131031201.

It is not a de Polignac number, because 1021301312223 - 2¹² = 1021301308127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021301312223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021301316223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078223 + ... + 2522223.

It is an arithmetic number, because the mean of its divisors is an integer number (87189116742).

Almost surely, 2^{1021301312223} is an apocalyptic number.

1021301312223 is a deficient number, since it is larger than the sum of its proper divisors (373724555649).

1021301312223 is a wasteful number, since it uses less digits than its factorization.

1021301312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462746.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1021301312223 its reverse (3222131031201), we get a palindrome (4243432343424).

The spelling of 1021301312223 in words is "one trillion, twenty-one billion, three hundred one million, three hundred twelve thousand, two hundred twenty-three".