2010122121 has 16 divisors (see below), whose sum is σ = 3065226624. Its totient is φ = 1147822464.

The previous prime is 2010122113. The next prime is 2010122183. The reversal of 2010122121 is 1212210102.

It is not a de Polignac number, because 2010122121 - 2³ = 2010122113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010122097 and 2010122106.

It is not an unprimeable number, because it can be changed into a prime (2010122321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3306 + ... + 63491.

It is an arithmetic number, because the mean of its divisors is an integer number (191576664).

Almost surely, 2^2010122121 is an apocalyptic number.

2010122121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2010122121 is a deficient number, since it is larger than the sum of its proper divisors (1055104503).

2010122121 is a wasteful number, since it uses less digits than its factorization.

2010122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68240.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2010122121 is about 44834.3854758822. The cubic root of 2010122121 is about 1262.0429863807.

Adding to 2010122121 its reverse (1212210102), we get a palindrome (3222332223).

The spelling of 2010122121 in words is "two billion, ten million, one hundred twenty-two thousand, one hundred twenty-one".