211001101210049 has 2 divisors, whose sum is σ = 211001101210050. Its totient is φ = 211001101210048.

The previous prime is 211001101210001. The next prime is 211001101210073. The reversal of 211001101210049 is 940012101100112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150631806436225 + 60369294773824 = 12273215^2 + 7769768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211001101210049 is a prime.

It is a super-5 number, since 5×211001101210049⁵ (a number of 73 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (211001101270049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500550605024 + 105500550605025.

It is an arithmetic number, because the mean of its divisors is an integer number (105500550605025).

Almost surely, 2^{211001101210049} is an apocalyptic number.

It is an amenable number.

211001101210049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001101210049 is an equidigital number, since it uses as much as digits as its factorization.

211001101210049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 211001101210049 in words is "two hundred eleven trillion, one billion, one hundred one million, two hundred ten thousand, forty-nine".