101220202010 has 16 divisors (see below), whose sum is σ = 192913797096. Its totient is φ = 38106428928.

The previous prime is 101220201991. The next prime is 101220202021. The reversal of 101220202010 is 10202022101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95285194489 + 5935007521 = 308683^2 + 77039^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101220201982 and 101220202000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297706307 + ... + 297706646.

Almost surely, 2^101220202010 is an apocalyptic number.

101220202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220202010 is a deficient number, since it is larger than the sum of its proper divisors (91693595086).

101220202010 is a wasteful number, since it uses less digits than its factorization.

101220202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595412977.

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

Adding to 101220202010 its reverse (10202022101), we get a palindrome (111422224111).

The spelling of 101220202010 in words is "one hundred one billion, two hundred twenty million, two hundred two thousand, ten".