1022021211022 has 64 divisors (see below), whose sum is σ = 1917982679040. Its totient is φ = 398311603200.

The previous prime is 1022021210981. The next prime is 1022021211031. The reversal of 1022021211022 is 2201121202201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1022021210987 and 1022021211005.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4545754 + ... + 4765282.

It is an arithmetic number, because the mean of its divisors is an integer number (29968479360).

Almost surely, 2^{1022021211022} is an apocalyptic number.

1022021211022 is a deficient number, since it is larger than the sum of its proper divisors (895961468018).

1022021211022 is a wasteful number, since it uses less digits than its factorization.

1022021211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220217.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022021211022 its reverse (2201121202201), we get a palindrome (3223142413223).

The spelling of 1022021211022 in words is "one trillion, twenty-two billion, twenty-one million, two hundred eleven thousand, twenty-two".