1022001221022 has 32 divisors (see below), whose sum is σ = 2047023982080. Its totient is φ = 340163607840.

The previous prime is 1022001220967. The next prime is 1022001221023. The reversal of 1022001221022 is 2201221002201.

It is a junction number, because it is equal to n+sod(n) for n = 1022001220992 and 1022001221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022001221023) 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, 65208247 + ... + 65223917.

It is an arithmetic number, because the mean of its divisors is an integer number (63969499440).

Almost surely, 2^{1022001221022} is an apocalyptic number.

1022001221022 is an abundant number, since it is smaller than the sum of its proper divisors (1025022761058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022001221022 is a wasteful number, since it uses less digits than its factorization.

1022001221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31048.

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

Adding to 1022001221022 its reverse (2201221002201), we get a palindrome (3223222223223).

The spelling of 1022001221022 in words is "one trillion, twenty-two billion, one million, two hundred twenty-one thousand, twenty-two".