1022021222001 has 16 divisors (see below), whose sum is σ = 1498741434624. Its totient is φ = 615554515584.

The previous prime is 1022021221981. The next prime is 1022021222023. The reversal of 1022021222001 is 1002221202201.

It is not a de Polignac number, because 1022021222001 - 2⁷ = 1022021221873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022021222041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278781916 + ... + 278785581.

It is an arithmetic number, because the mean of its divisors is an integer number (93671339664).

Almost surely, 2^{1022021222001} is an apocalyptic number.

It is an amenable number.

1022021222001 is a deficient number, since it is larger than the sum of its proper divisors (476720212623).

1022021222001 is a wasteful number, since it uses less digits than its factorization.

1022021222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557567560.

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

Adding to 1022021222001 its reverse (1002221202201), we get a palindrome (2024242424202).

The spelling of 1022021222001 in words is "one trillion, twenty-two billion, twenty-one million, two hundred twenty-two thousand, one".