1011222201100 has 36 divisors (see below), whose sum is σ = 2214483871600. Its totient is φ = 400777968960.

The previous prime is 1011222201089. The next prime is 1011222201127. The reversal of 1011222201100 is 11022221101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46375440 + ... + 46397239.

Almost surely, 2^{1011222201100} is an apocalyptic number.

1011222201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011222201100 is an abundant number, since it is smaller than the sum of its proper divisors (1203261670500).

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

1011222201100 is a wasteful number, since it uses less digits than its factorization.

1011222201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92772802 (or 92772795 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011222201100 its reverse (11022221101), we get a palindrome (1022244422201).

The spelling of 1011222201100 in words is "one trillion, eleven billion, two hundred twenty-two million, two hundred one thousand, one hundred".