1011222244100 has 36 divisors (see below), whose sum is σ = 2194727432100. Its totient is φ = 404419743360.

The previous prime is 1011222244091. The next prime is 1011222244103. The reversal of 1011222244100 is 14422221101.

1011222244100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2290388164 + 1008931855936 = 47858^2 + 1004456^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1011222244103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274595 + ... + 1448394.

Almost surely, 2^{1011222244100} is an apocalyptic number.

1011222244100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011222244100 is an abundant number, since it is smaller than the sum of its proper divisors (1183505188000).

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

1011222244100 is a wasteful number, since it uses less digits than its factorization.

1011222244100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728872 (or 1728865 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1011222244100 its reverse (14422221101), we get a palindrome (1025644465201).

The spelling of 1011222244100 in words is "one trillion, eleven billion, two hundred twenty-two million, two hundred forty-four thousand, one hundred".