2010121123 has 4 divisors (see below), whose sum is σ = 2128363560. Its totient is φ = 1891878688.

The previous prime is 2010121067. The next prime is 2010121147. The reversal of 2010121123 is 3211210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010121123 - 2⁹ = 2010120611 is a prime.

It is a super-2 number, since 2×2010121123² = 8081173858261562258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010127123) 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, 59121193 + ... + 59121226.

It is an arithmetic number, because the mean of its divisors is an integer number (532090890).

Almost surely, 2^2010121123 is an apocalyptic number.

2010121123 is a deficient number, since it is larger than the sum of its proper divisors (118242437).

2010121123 is a wasteful number, since it uses less digits than its factorization.

2010121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118242436.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2010121123 is about 44834.3743460305. The cubic root of 2010121123 is about 1262.0427775179.

Adding to 2010121123 its reverse (3211210102), we get a palindrome (5221331225).

The spelling of 2010121123 in words is "two billion, ten million, one hundred twenty-one thousand, one hundred twenty-three".