1220100211079 has 2 divisors, whose sum is σ = 1220100211080. Its totient is φ = 1220100211078.

The previous prime is 1220100211061. The next prime is 1220100211081. The reversal of 1220100211079 is 9701120010221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220100211079 is a prime.

Together with 1220100211081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220100211019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050105539 + 610050105540.

It is an arithmetic number, because the mean of its divisors is an integer number (610050105540).

Almost surely, 2^{1220100211079} is an apocalyptic number.

1220100211079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220100211079 is an equidigital number, since it uses as much as digits as its factorization.

1220100211079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 1220100211079 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred eleven thousand, seventy-nine".