202111102010 has 16 divisors (see below), whose sum is σ = 363845081736. Its totient is φ = 80834419008.

The previous prime is 202111101953. The next prime is 202111102079. The reversal of 202111102010 is 10201111202.

202111102010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 194792470609 + 7318631401 = 441353^2 + 85549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202111101982 and 202111102000.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1167749 + ... + 1329608.

Almost surely, 2^202111102010 is an apocalyptic number.

202111102010 is a deficient number, since it is larger than the sum of its proper divisors (161733979726).

202111102010 is a wasteful number, since it uses less digits than its factorization.

202111102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505457.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202111102010 its reverse (10201111202), we get a palindrome (212312213212).

The spelling of 202111102010 in words is "two hundred two billion, one hundred eleven million, one hundred two thousand, ten".