20212102010 has 8 divisors (see below), whose sum is σ = 36381783636. Its totient is φ = 8084840800.

The previous prime is 20212102007. The next prime is 20212102013. The reversal of 20212102010 is 1020121202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20212102007) and next prime (20212102013).

It can be written as a sum of positive squares in 2 ways, for example, as 18768178009 + 1443924001 = 136997^2 + 37999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20212101982 and 20212102000.

It is not an unprimeable number, because it can be changed into a prime (20212102013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010605091 + ... + 1010605110.

Almost surely, 2^20212102010 is an apocalyptic number.

20212102010 is a deficient number, since it is larger than the sum of its proper divisors (16169681626).

20212102010 is a wasteful number, since it uses less digits than its factorization.

20212102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021210208.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20212102010 its reverse (1020121202), we get a palindrome (21232223212).

The spelling of 20212102010 in words is "twenty billion, two hundred twelve million, one hundred two thousand, ten".