101211424040249 has 2 divisors, whose sum is σ = 101211424040250. Its totient is φ = 101211424040248.

The previous prime is 101211424040203. The next prime is 101211424040327. The reversal of 101211424040249 is 942040424112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100399037284624 + 812386755625 = 10019932^2 + 901325^2 .

It is a cyclic number.

It is not a de Polignac number, because 101211424040249 - 2²⁴ = 101211407263033 is a prime.

It is not a weakly prime, because it can be changed into another prime (101211424040549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605712020124 + 50605712020125.

It is an arithmetic number, because the mean of its divisors is an integer number (50605712020125).

Almost surely, 2^{101211424040249} is an apocalyptic number.

It is an amenable number.

101211424040249 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211424040249 is an equidigital number, since it uses as much as digits as its factorization.

101211424040249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 101211424040249 in words is "one hundred one trillion, two hundred eleven billion, four hundred twenty-four million, forty thousand, two hundred forty-nine".