1020102001203 has 16 divisors (see below), whose sum is σ = 1363718393856. Its totient is φ = 678277959840.

The previous prime is 1020102001199. The next prime is 1020102001211. The reversal of 1020102001203 is 3021002010201.

It is not a de Polignac number, because 1020102001203 - 2² = 1020102001199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020102001223) 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, 3428193 + ... + 3713853.

It is an arithmetic number, because the mean of its divisors is an integer number (85232399616).

Almost surely, 2^{1020102001203} is an apocalyptic number.

1020102001203 is a deficient number, since it is larger than the sum of its proper divisors (343616392653).

1020102001203 is a wasteful number, since it uses less digits than its factorization.

1020102001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288794.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1020102001203 its reverse (3021002010201), we get a palindrome (4041104011404).

The spelling of 1020102001203 in words is "one trillion, twenty billion, one hundred two million, one thousand, two hundred three".