21202010002010 has 8 divisors (see below), whose sum is σ = 38163618003636. Its totient is φ = 8480804000800.

The previous prime is 21202010002007. The next prime is 21202010002049. The reversal of 21202010002010 is 1020001020212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21050652433801 + 151357568209 = 4588099^2 + 389047^2 .

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

It is a super-3 number, since 3×21202010002010³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21202010001982 and 21202010002000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060100500091 + ... + 1060100500110.

Almost surely, 2^{21202010002010} is an apocalyptic number.

21202010002010 is a deficient number, since it is larger than the sum of its proper divisors (16961608001626).

21202010002010 is a wasteful number, since it uses less digits than its factorization.

21202010002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120201000208.

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

Adding to 21202010002010 its reverse (1020001020212), we get a palindrome (22222011022222).

The spelling of 21202010002010 in words is "twenty-one trillion, two hundred two billion, ten million, two thousand, ten".