11101211121010 has 8 divisors (see below), whose sum is σ = 19982180017836. Its totient is φ = 4440484448400.

The previous prime is 11101211120999. The next prime is 11101211121061. The reversal of 11101211121010 is 1012111210111.

It can be written as a sum of positive squares in 2 ways, for example, as 9554299546009 + 1546911575001 = 3091003^2 + 1243749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11101211121010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555060556041 + ... + 555060556060.

Almost surely, 2^{11101211121010} is an apocalyptic number.

11101211121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101211121010 is a deficient number, since it is larger than the sum of its proper divisors (8880968896826).

11101211121010 is a wasteful number, since it uses less digits than its factorization.

11101211121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110121112108.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11101211121010 its reverse (1012111210111), we get a palindrome (12113322331121).

It can be divided in two parts, 1 and 1101211121010, that added together give a palindrome (1101211121011).

The spelling of 11101211121010 in words is "eleven trillion, one hundred one billion, two hundred eleven million, one hundred twenty-one thousand, ten".