101100111121010 has 8 divisors (see below), whose sum is σ = 181980200017836. Its totient is φ = 40440044448400.

The previous prime is 101100111120997. The next prime is 101100111121013. The reversal of 101100111121010 is 10121111001101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89556337023241 + 11543774097769 = 9463421^2 + 3397613^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 101100111120982 and 101100111121000.

It is not an unprimeable number, because it can be changed into a prime (101100111121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055005556041 + ... + 5055005556060.

Almost surely, 2^{101100111121010} is an apocalyptic number.

101100111121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101100111121010 is a deficient number, since it is larger than the sum of its proper divisors (80880088896826).

101100111121010 is a wasteful number, since it uses less digits than its factorization.

101100111121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110011112108.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 101100111121010 its reverse (10121111001101), we get a palindrome (111221222122111).

The spelling of 101100111121010 in words is "one hundred one trillion, one hundred billion, one hundred eleven million, one hundred twenty-one thousand, ten".