201012211099949 has 2 divisors, whose sum is σ = 201012211099950. Its totient is φ = 201012211099948.

The previous prime is 201012211099939. The next prime is 201012211099951. The reversal of 201012211099949 is 949990112210102.

It is a happy number.

201012211099949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122381517013924 + 78630694086025 = 11062618^2 + 8867395^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012211099949 - 2²⁴ = 201012194322733 is a prime.

It is a super-3 number, since 3×201012211099949³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 201012211099951, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012211099897 and 201012211099906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012211099939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506105549974 + 100506105549975.

It is an arithmetic number, because the mean of its divisors is an integer number (100506105549975).

Almost surely, 2^{201012211099949} is an apocalyptic number.

It is an amenable number.

201012211099949 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012211099949 is an equidigital number, since it uses as much as digits as its factorization.

201012211099949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 50.

The spelling of 201012211099949 in words is "two hundred one trillion, twelve billion, two hundred eleven million, ninety-nine thousand, nine hundred forty-nine".