1022110220021 has 12 divisors (see below), whose sum is σ = 1127952558432. Its totient is φ = 925489125000.

The previous prime is 1022110219997. The next prime is 1022110220077. The reversal of 1022110220021 is 1200220112201.

It is not a de Polignac number, because 1022110220021 - 2¹⁴ = 1022110203637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022110219978 and 1022110220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022110220221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16796705 + ... + 16857446.

It is an arithmetic number, because the mean of its divisors is an integer number (93996046536).

Almost surely, 2^{1022110220021} is an apocalyptic number.

1022110220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022110220021 is a deficient number, since it is larger than the sum of its proper divisors (105842338411).

1022110220021 is a wasteful number, since it uses less digits than its factorization.

1022110220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33654424 (or 33654413 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022110220021 its reverse (1200220112201), we get a palindrome (2222330332222).

The spelling of 1022110220021 in words is "one trillion, twenty-two billion, one hundred ten million, two hundred twenty thousand, twenty-one".