1020220002221 has 8 divisors (see below), whose sum is σ = 1166174978304. Its totient is φ = 874317341520.

The previous prime is 1020220002211. The next prime is 1020220002257. The reversal of 1020220002221 is 1222000220201.

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

It is not a de Polignac number, because 1020220002221 - 2¹⁸ = 1020219740077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020220002196 and 1020220002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220002211) 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, 13037045 + ... + 13115066.

It is an arithmetic number, because the mean of its divisors is an integer number (145771872288).

Almost surely, 2^{1020220002221} is an apocalyptic number.

It is an amenable number.

1020220002221 is a deficient number, since it is larger than the sum of its proper divisors (145954976083).

1020220002221 is an equidigital number, since it uses as much as digits as its factorization.

1020220002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26157691.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1020220002221 its reverse (1222000220201), we get a palindrome (2242220222422).

The spelling of 1020220002221 in words is "one trillion, twenty billion, two hundred twenty million, two thousand, two hundred twenty-one".