101100001122 has 20 divisors (see below), whose sum is σ = 226538891766. Its totient is φ = 33700000320.

The previous prime is 101100001111. The next prime is 101100001151. The reversal of 101100001122 is 221100001101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100196938521 + 903062601 = 316539^2 + 30051^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 312036879 + ... + 312037202.

Almost surely, 2^101100001122 is an apocalyptic number.

101100001122 is an abundant number, since it is smaller than the sum of its proper divisors (125438890644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101100001122 is an equidigital number, since it uses as much as digits as its factorization.

101100001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624074095 (or 624074086 counting only the distinct ones).

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

Adding to 101100001122 its reverse (221100001101), we get a palindrome (322200002223).

The spelling of 101100001122 in words is "one hundred one billion, one hundred million, one thousand, one hundred twenty-two".