1022202002121 has 8 divisors (see below), whose sum is σ = 1374997383840. Its totient is φ = 675437310912.

The previous prime is 1022202002083. The next prime is 1022202002179. The reversal of 1022202002121 is 1212002022201.

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

It is not a de Polignac number, because 1022202002121 - 2⁹ = 1022202001609 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022202002121.

It is not an unprimeable number, because it can be changed into a prime (1022202002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507672231 + ... + 1507672908.

It is an arithmetic number, because the mean of its divisors is an integer number (171874672980).

Almost surely, 2^{1022202002121} is an apocalyptic number.

It is an amenable number.

1022202002121 is a deficient number, since it is larger than the sum of its proper divisors (352795381719).

1022202002121 is a wasteful number, since it uses less digits than its factorization.

1022202002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015345255.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022202002121 its reverse (1212002022201), we get a palindrome (2234204024322).

The spelling of 1022202002121 in words is "one trillion, twenty-two billion, two hundred two million, two thousand, one hundred twenty-one".