211421101079 has 2 divisors, whose sum is σ = 211421101080. Its totient is φ = 211421101078.

The previous prime is 211421101019. The next prime is 211421101093. The reversal of 211421101079 is 970101124112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211421101079 - 2²⁸ = 211152665623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211421101019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105710550539 + 105710550540.

It is an arithmetic number, because the mean of its divisors is an integer number (105710550540).

Almost surely, 2^211421101079 is an apocalyptic number.

211421101079 is a deficient number, since it is larger than the sum of its proper divisors (1).

211421101079 is an equidigital number, since it uses as much as digits as its factorization.

211421101079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 211421101079 in words is "two hundred eleven billion, four hundred twenty-one million, one hundred one thousand, seventy-nine".