11001220210101 has 16 divisors (see below), whose sum is σ = 16058318238720. Its totient is φ = 6643846443120.

The previous prime is 11001220210069. The next prime is 11001220210103. The reversal of 11001220210101 is 10101202210011.

11001220210101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11001220210101 - 2⁵ = 11001220210069 is a prime.

It is a super-2 number, since 2×11001220210101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001220210103) 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, 588984141 + ... + 589002818.

It is an arithmetic number, because the mean of its divisors is an integer number (1003644889920).

Almost surely, 2^{11001220210101} is an apocalyptic number.

11001220210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001220210101 is a deficient number, since it is larger than the sum of its proper divisors (5057098028619).

11001220210101 is a wasteful number, since it uses less digits than its factorization.

11001220210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177987256.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001220210101 its reverse (10101202210011), we get a palindrome (21102422420112).

The spelling of 11001220210101 in words is "eleven trillion, one billion, two hundred twenty million, two hundred ten thousand, one hundred one".