1020203222133 has 4 divisors (see below), whose sum is σ = 1360270962848. Its totient is φ = 680135481420.

The previous prime is 1020203222119. The next prime is 1020203222141. The reversal of 1020203222133 is 3312223020201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020203222133 - 2¹³ = 1020203213941 is a prime.

It is a super-2 number, since 2×1020203222133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020203222153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170033870353 + ... + 170033870358.

It is an arithmetic number, because the mean of its divisors is an integer number (340067740712).

Almost surely, 2^{1020203222133} is an apocalyptic number.

It is an amenable number.

1020203222133 is a deficient number, since it is larger than the sum of its proper divisors (340067740715).

1020203222133 is an equidigital number, since it uses as much as digits as its factorization.

1020203222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340067740714.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1020203222133 its reverse (3312223020201), we get a palindrome (4332426242334).

The spelling of 1020203222133 in words is "one trillion, twenty billion, two hundred three million, two hundred twenty-two thousand, one hundred thirty-three".