1020001021303 has 8 divisors (see below), whose sum is σ = 1117345520016. Its totient is φ = 923426044800.

The previous prime is 1020001021271. The next prime is 1020001021357. The reversal of 1020001021303 is 3031201000201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020001021303 - 2⁵ = 1020001021271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020001021393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192377776 + ... + 192383077.

It is an arithmetic number, because the mean of its divisors is an integer number (139668190002).

Almost surely, 2^{1020001021303} is an apocalyptic number.

1020001021303 is a deficient number, since it is larger than the sum of its proper divisors (97344498713).

1020001021303 is a wasteful number, since it uses less digits than its factorization.

1020001021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384761105.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1020001021303 its reverse (3031201000201), we get a palindrome (4051202021504).

The spelling of 1020001021303 in words is "one trillion, twenty billion, one million, twenty-one thousand, three hundred three".