1000000222101 has 32 divisors (see below), whose sum is σ = 1503508608000. Its totient is φ = 656799519024.

The previous prime is 1000000222097. The next prime is 1000000222129. The reversal of 1000000222101 is 1012220000001.

1000000222101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000000222101 - 2² = 1000000222097 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 (1000000222201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183030 + ... + 1426008.

It is an arithmetic number, because the mean of its divisors is an integer number (46984644000).

Almost surely, 2^{1000000222101} is an apocalyptic number.

It is an amenable number.

1000000222101 is a deficient number, since it is larger than the sum of its proper divisors (503508385899).

1000000222101 is a wasteful number, since it uses less digits than its factorization.

1000000222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243430 (or 1243424 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000000222101 its reverse (1012220000001), we get a palindrome (2012220222102).

The spelling of 1000000222101 in words is "one trillion, two hundred twenty-two thousand, one hundred one".