1022002202121 has 8 divisors (see below), whose sum is σ = 1385008449024. Its totient is φ = 670165378320.

The previous prime is 1022002202099. The next prime is 1022002202159. The reversal of 1022002202121 is 1212022002201.

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

It is not a de Polignac number, because 1022002202121 - 2⁷ = 1022002201993 is a prime.

It is a super-2 number, since 2×1022002202121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022002202121.

It is not an unprimeable number, because it can be changed into a prime (1022002202621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792355561 + ... + 2792355926.

It is an arithmetic number, because the mean of its divisors is an integer number (173126056128).

Almost surely, 2^{1022002202121} is an apocalyptic number.

It is an amenable number.

1022002202121 is a deficient number, since it is larger than the sum of its proper divisors (363006246903).

1022002202121 is an equidigital number, since it uses as much as digits as its factorization.

1022002202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584711551.

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

Adding to 1022002202121 its reverse (1212022002201), we get a palindrome (2234024204322).

The spelling of 1022002202121 in words is "one trillion, twenty-two billion, two million, two hundred two thousand, one hundred twenty-one".