11101001211010 has 32 divisors (see below), whose sum is σ = 20489101796592. Its totient is φ = 4328955617280.

The previous prime is 11101001210891. The next prime is 11101001211011. The reversal of 11101001211010 is 1011210010111.

It can be written as a sum of positive squares in 8 ways, for example, as 468960627249 + 10632040583761 = 684807^2 + 3260681^2 .

It is a super-3 number, since 3×11101001211010³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11101001211011) 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, 80454799 + ... + 80592658.

Almost surely, 2^{11101001211010} is an apocalyptic number.

11101001211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101001211010 is a deficient number, since it is larger than the sum of its proper divisors (9388100585582).

11101001211010 is a wasteful number, since it uses less digits than its factorization.

11101001211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161047638.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11101001211010 its reverse (1011210010111), we get a palindrome (12112211221121).

The spelling of 11101001211010 in words is "eleven trillion, one hundred one billion, one million, two hundred eleven thousand, ten".