2010121101 has 6 divisors (see below), whose sum is σ = 2903508270. Its totient is φ = 1340080728.

The previous prime is 2010121067. The next prime is 2010121147. The reversal of 2010121101 is 1011210102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1396815876 + 613305225 = 37374^2 + 24765^2 .

It is not a de Polignac number, because 2010121101 - 2⁶ = 2010121037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 223346789 = 2010121101 / (2 + 0 + 1 + 0 + 1 + 2 + 1 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010121151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111673386 + ... + 111673403.

It is an arithmetic number, because the mean of its divisors is an integer number (483918045).

Almost surely, 2^2010121101 is an apocalyptic number.

It is an amenable number.

2010121101 is a deficient number, since it is larger than the sum of its proper divisors (893387169).

2010121101 is a wasteful number, since it uses less digits than its factorization.

2010121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223346795 (or 223346792 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2010121101 is about 44834.3741006831. The cubic root of 2010121101 is about 1262.0427729138.

Adding to 2010121101 its reverse (1011210102), we get a palindrome (3021331203).

The spelling of 2010121101 in words is "two billion, ten million, one hundred twenty-one thousand, one hundred one".