10019911010 has 32 divisors (see below), whose sum is σ = 19101908592. Its totient is φ = 3771187200.

The previous prime is 10019911007. The next prime is 10019911019. The reversal of 10019911010 is 1011991001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5229748489 + 4790162521 = 72317^2 + 69211^2 .

It is not an unprimeable number, because it can be changed into a prime (10019911019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007060 + ... + 1016960.

Almost surely, 2^10019911010 is an apocalyptic number.

10019911010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10019911010 is a deficient number, since it is larger than the sum of its proper divisors (9081997582).

10019911010 is a wasteful number, since it uses less digits than its factorization.

10019911010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15878.

The product of its (nonzero) digits is 81, while the sum is 23.

It can be divided in two parts, 1001991 and 1010, that added together give a palindrome (1003001).

The spelling of 10019911010 in words is "ten billion, nineteen million, nine hundred eleven thousand, ten".