1000222022100 has 72 divisors (see below), whose sum is σ = 3307400826688. Its totient is φ = 228622176000.

The previous prime is 1000222022053. The next prime is 1000222022101. The reversal of 1000222022100 is 12202220001.

1000222022100 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222022101) 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, 238146001 + ... + 238150200.

Almost surely, 2^{1000222022100} is an apocalyptic number.

1000222022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000222022100 is an abundant number, since it is smaller than the sum of its proper divisors (2307178804588).

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

1000222022100 is a wasteful number, since it uses less digits than its factorization.

1000222022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476296225 (or 476296218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1000222022100 its reverse (12202220001), we get a palindrome (1012424242101).

The spelling of 1000222022100 in words is "one trillion, two hundred twenty-two million, twenty-two thousand, one hundred".