1020212221079 has 2 divisors, whose sum is σ = 1020212221080. Its totient is φ = 1020212221078.

The previous prime is 1020212220997. The next prime is 1020212221157. The reversal of 1020212221079 is 9701222120201.

1020212221079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020212221079 - 2¹² = 1020212216983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020212221979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510106110539 + 510106110540.

It is an arithmetic number, because the mean of its divisors is an integer number (510106110540).

Almost surely, 2^{1020212221079} is an apocalyptic number.

1020212221079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020212221079 is an equidigital number, since it uses as much as digits as its factorization.

1020212221079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 1020212221079 in words is "one trillion, twenty billion, two hundred twelve million, two hundred twenty-one thousand, seventy-nine".