10201102011 has 20 divisors (see below), whose sum is σ = 15242111544. Its totient is φ = 6799204800.

The previous prime is 10201101961. The next prime is 10201102039. The reversal of 10201102011 is 11020110201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10201102011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10201101984 and 10201102002.

It is not an unprimeable number, because it can be changed into a prime (10201102061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 435796 + ... + 458606.

Almost surely, 2^10201102011 is an apocalyptic number.

10201102011 is a deficient number, since it is larger than the sum of its proper divisors (5041009533).

10201102011 is an equidigital number, since it uses as much as digits as its factorization.

10201102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28344 (or 28335 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10201102011 its reverse (11020110201), we get a palindrome (21221212212).

It can be divided in two parts, 1020110 and 2011, that added together give a square (1022121 = 1011²).

The spelling of 10201102011 in words is "ten billion, two hundred one million, one hundred two thousand, eleven".