201001012211249 has 2 divisors, whose sum is σ = 201001012211250. Its totient is φ = 201001012211248.

The previous prime is 201001012211191. The next prime is 201001012211273. The reversal of 201001012211249 is 942112210100102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115655656766224 + 85345355445025 = 10754332^2 + 9238255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001012211249 is a prime.

It is a super-2 number, since 2×201001012211249² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201001012211299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500506105624 + 100500506105625.

It is an arithmetic number, because the mean of its divisors is an integer number (100500506105625).

Almost surely, 2^{201001012211249} is an apocalyptic number.

It is an amenable number.

201001012211249 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001012211249 is an equidigital number, since it uses as much as digits as its factorization.

201001012211249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 201001012211249 in words is "two hundred one trillion, one billion, twelve million, two hundred eleven thousand, two hundred forty-nine".