1220011100939 has 2 divisors, whose sum is σ = 1220011100940. Its totient is φ = 1220011100938.

The previous prime is 1220011100923. The next prime is 1220011101061. The reversal of 1220011100939 is 9390011100221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220011100939 - 2⁴ = 1220011100923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220011100839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005550469 + 610005550470.

It is an arithmetic number, because the mean of its divisors is an integer number (610005550470).

Almost surely, 2^{1220011100939} is an apocalyptic number.

1220011100939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220011100939 is an equidigital number, since it uses as much as digits as its factorization.

1220011100939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 1220011100939 in words is "one trillion, two hundred twenty billion, eleven million, one hundred thousand, nine hundred thirty-nine".