1022021121201 has 8 divisors (see below), whose sum is σ = 1362701532960. Its totient is φ = 681344061792.

The previous prime is 1022021121197. The next prime is 1022021121217. The reversal of 1022021121201 is 1021211202201.

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

It is not a de Polignac number, because 1022021121201 - 2² = 1022021121197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022021121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9780 + ... + 1429733.

It is an arithmetic number, because the mean of its divisors is an integer number (170337691620).

Almost surely, 2^{1022021121201} is an apocalyptic number.

It is an amenable number.

1022021121201 is a deficient number, since it is larger than the sum of its proper divisors (340680411759).

1022021121201 is a wasteful number, since it uses less digits than its factorization.

1022021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676175.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1022021121201 its reverse (1021211202201), we get a palindrome (2043232323402).

The spelling of 1022021121201 in words is "one trillion, twenty-two billion, twenty-one million, one hundred twenty-one thousand, two hundred one".