201000010121049 has 4 divisors (see below), whose sum is σ = 268000013494736. Its totient is φ = 134000006747364.

The previous prime is 201000010121047. The next prime is 201000010121077. The reversal of 201000010121049 is 940121010000102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201000010121049 - 2¹ = 201000010121047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000010121047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33500001686839 + ... + 33500001686844.

It is an arithmetic number, because the mean of its divisors is an integer number (67000003373684).

Almost surely, 2^{201000010121049} is an apocalyptic number.

It is an amenable number.

201000010121049 is a deficient number, since it is larger than the sum of its proper divisors (67000003373687).

201000010121049 is an equidigital number, since it uses as much as digits as its factorization.

201000010121049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67000003373686.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 201000010121049 in words is "two hundred one trillion, ten million, one hundred twenty-one thousand, forty-nine".