11100022101 has 24 divisors (see below), whose sum is σ = 18713720064. Its totient is φ = 6207913440.

The previous prime is 11100022097. The next prime is 11100022121. The reversal of 11100022101 is 10122000111.

It is a happy number.

It is not a de Polignac number, because 11100022101 - 2² = 11100022097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100022121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1871410 + ... + 1877331.

It is an arithmetic number, because the mean of its divisors is an integer number (779738336).

Almost surely, 2^11100022101 is an apocalyptic number.

It is an amenable number.

11100022101 is a deficient number, since it is larger than the sum of its proper divisors (7613697963).

11100022101 is a wasteful number, since it uses less digits than its factorization.

11100022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748801 (or 3748798 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11100022101 its reverse (10122000111), we get a palindrome (21222022212).

The spelling of 11100022101 in words is "eleven billion, one hundred million, twenty-two thousand, one hundred one".