1022203030121 has 48 divisors (see below), whose sum is σ = 1327876053840. Its totient is φ = 779026429440.

The previous prime is 1022203030111. The next prime is 1022203030157. The reversal of 1022203030121 is 1210303022201.

It can be written as a sum of positive squares in 8 ways, for example, as 277539312400 + 744663717721 = 526820^2 + 862939^2 .

It is not a de Polignac number, because 1022203030121 - 2¹⁰ = 1022203029097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022203030121.

It is not an unprimeable number, because it can be changed into a prime (1022203030111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7711415 + ... + 7842851.

It is an arithmetic number, because the mean of its divisors is an integer number (27664084455).

Almost surely, 2^{1022203030121} is an apocalyptic number.

It is an amenable number.

1022203030121 is a deficient number, since it is larger than the sum of its proper divisors (305673023719).

1022203030121 is a wasteful number, since it uses less digits than its factorization.

1022203030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131914 (or 131907 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1022203030121 its reverse (1210303022201), we get a palindrome (2232506052322).

The spelling of 1022203030121 in words is "one trillion, twenty-two billion, two hundred three million, thirty thousand, one hundred twenty-one".