2110121010 has 32 divisors (see below), whose sum is σ = 5626990080. Its totient is φ = 562698864.

The previous prime is 2110120979. The next prime is 2110121011. The reversal of 2110121010 is 101210112.

It is a happy number.

It is a super-2 number, since 2×2110121010² = 8905221353686840200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2110120983 and 2110121001.

It is not an unprimeable number, because it can be changed into a prime (2110121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3907362 + ... + 3907901.

It is an arithmetic number, because the mean of its divisors is an integer number (175843440).

Almost surely, 2^2110121010 is an apocalyptic number.

2110121010 is an abundant number, since it is smaller than the sum of its proper divisors (3516869070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2110121010 is a wasteful number, since it uses less digits than its factorization.

2110121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7815279 (or 7815273 counting only the distinct ones).

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

The square root of 2110121010 is about 45936.0534874297. The cubic root of 2110121010 is about 1282.6331314209.

Adding to 2110121010 its reverse (101210112), we get a palindrome (2211331122).

The spelling of 2110121010 in words is "two billion, one hundred ten million, one hundred twenty-one thousand, ten".