101220838867 has 2 divisors, whose sum is σ = 101220838868. Its totient is φ = 101220838866.

The previous prime is 101220838801. The next prime is 101220838877. The reversal of 101220838867 is 768838022101.

It is a strong prime.

It is an emirp because it is prime and its reverse (768838022101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101220838867 - 2⁷ = 101220838739 is a prime.

It is not a weakly prime, because it can be changed into another prime (101220838877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610419433 + 50610419434.

It is an arithmetic number, because the mean of its divisors is an integer number (50610419434).

Almost surely, 2^101220838867 is an apocalyptic number.

101220838867 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220838867 is an equidigital number, since it uses as much as digits as its factorization.

101220838867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 101220838867 in words is "one hundred one billion, two hundred twenty million, eight hundred thirty-eight thousand, eight hundred sixty-seven".