10001211102 has 20 divisors (see below), whose sum is σ = 22410121536. Its totient is φ = 3333736980.

The previous prime is 10001211097. The next prime is 10001211131. The reversal of 10001211102 is 20111210001.

It is a happy number.

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

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 30867774 + ... + 30868097.

Almost surely, 2^10001211102 is an apocalyptic number.

10001211102 is an abundant number, since it is smaller than the sum of its proper divisors (12408910434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001211102 is an equidigital number, since it uses as much as digits as its factorization.

10001211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61735885 (or 61735876 counting only the distinct ones).

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

Adding to 10001211102 its reverse (20111210001), we get a palindrome (30112421103).

The spelling of 10001211102 in words is "ten billion, one million, two hundred eleven thousand, one hundred two".