2122101012 has 24 divisors (see below), whose sum is σ = 4954672800. Its totient is φ = 706923616.

The previous prime is 2122100993. The next prime is 2122101017. The reversal of 2122101012 is 2101012212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122101017) 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 7 ways as a sum of consecutive naturals, for example, 35187 + ... + 74042.

It is an arithmetic number, because the mean of its divisors is an integer number (206444700).

Almost surely, 2^2122101012 is an apocalyptic number.

It is an amenable number.

2122101012 is an abundant number, since it is smaller than the sum of its proper divisors (2832571788).

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

2122101012 is a wasteful number, since it uses less digits than its factorization.

2122101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110855 (or 110853 counting only the distinct ones).

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

The square root of 2122101012 is about 46066.2676152518. The cubic root of 2122101012 is about 1285.0558928385.

Adding to 2122101012 its reverse (2101012212), we get a palindrome (4223113224).

It can be divided in two parts, 212 and 2101012, that multiplied together give a palindrome (445414544).

The spelling of 2122101012 in words is "two billion, one hundred twenty-two million, one hundred one thousand, twelve".