1002022210121 has 4 divisors (see below), whose sum is σ = 1054760221200. Its totient is φ = 949284199044.

The previous prime is 1002022210103. The next prime is 1002022210129. The reversal of 1002022210121 is 1210122202001.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002022210121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002022210096 and 1002022210105.

It is not an unprimeable number, because it can be changed into a prime (1002022210129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26369005511 + ... + 26369005548.

It is an arithmetic number, because the mean of its divisors is an integer number (263690055300).

Almost surely, 2^{1002022210121} is an apocalyptic number.

It is an amenable number.

1002022210121 is a deficient number, since it is larger than the sum of its proper divisors (52738011079).

1002022210121 is an equidigital number, since it uses as much as digits as its factorization.

1002022210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52738011078.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002022210121 its reverse (1210122202001), we get a palindrome (2212144412122).

The spelling of 1002022210121 in words is "one trillion, two billion, twenty-two million, two hundred ten thousand, one hundred twenty-one".