1020212121203 has 8 divisors (see below), whose sum is σ = 1119176326080. Its totient is φ = 922284191080.

The previous prime is 1020212121167. The next prime is 1020212121221. The reversal of 1020212121203 is 3021212120201.

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 1020212121203 - 2³⁰ = 1019138379379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020212121403) 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, 259066625 + ... + 259070562.

It is an arithmetic number, because the mean of its divisors is an integer number (139897040760).

Almost surely, 2^{1020212121203} is an apocalyptic number.

1020212121203 is a deficient number, since it is larger than the sum of its proper divisors (98964204877).

1020212121203 is a wasteful number, since it uses less digits than its factorization.

1020212121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518137377.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1020212121203 its reverse (3021212120201), we get a palindrome (4041424241404).

The spelling of 1020212121203 in words is "one trillion, twenty billion, two hundred twelve million, one hundred twenty-one thousand, two hundred three".