1022220022021 has 8 divisors (see below), whose sum is σ = 1115177385600. Its totient is φ = 929267370240.

The previous prime is 1022220022013. The next prime is 1022220022063. The reversal of 1022220022021 is 1202200222201.

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

It is not a de Polignac number, because 1022220022021 - 2³ = 1022220022013 is a prime.

It is a super-2 number, since 2×1022220022021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022220021986 and 1022220022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220026021) 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, 716461 + ... + 1599298.

It is an arithmetic number, because the mean of its divisors is an integer number (139397173200).

Almost surely, 2^{1022220022021} is an apocalyptic number.

1022220022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022220022021 is a deficient number, since it is larger than the sum of its proper divisors (92957363579).

1022220022021 is a wasteful number, since it uses less digits than its factorization.

1022220022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355899.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1022220022021 its reverse (1202200222201), we get a palindrome (2224420244222).

The spelling of 1022220022021 in words is "one trillion, twenty-two billion, two hundred twenty million, twenty-two thousand, twenty-one".