1022202022021 has 8 divisors (see below), whose sum is σ = 1046407025664. Its totient is φ = 998016694080.

The previous prime is 1022202021991. The next prime is 1022202022027. The reversal of 1022202022021 is 1202202022201.

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

It is not a de Polignac number, because 1022202022021 - 2²¹ = 1022199924869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022202021986 and 1022202022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022202022027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813765 + ... + 5021626.

It is an arithmetic number, because the mean of its divisors is an integer number (130800878208).

Almost surely, 2^{1022202022021} is an apocalyptic number.

It is an amenable number.

1022202022021 is a deficient number, since it is larger than the sum of its proper divisors (24205003643).

1022202022021 is an equidigital number, since it uses as much as digits as its factorization.

1022202022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837851.

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

Adding to 1022202022021 its reverse (1202202022201), we get a palindrome (2224404044222).

The spelling of 1022202022021 in words is "one trillion, twenty-two billion, two hundred two million, twenty-two thousand, twenty-one".