1012021222201 has 16 divisors (see below), whose sum is σ = 1130657740416. Its totient is φ = 898080400000.

The previous prime is 1012021222183. The next prime is 1012021222213. The reversal of 1012021222201 is 1022221202101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012021222201 - 2⁷ = 1012021222073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012021222271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6335980 + ... + 6493741.

It is an arithmetic number, because the mean of its divisors is an integer number (70666108776).

Almost surely, 2^{1012021222201} is an apocalyptic number.

1012021222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012021222201 is a deficient number, since it is larger than the sum of its proper divisors (118636518215).

1012021222201 is a wasteful number, since it uses less digits than its factorization.

1012021222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12829904.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012021222201 its reverse (1022221202101), we get a palindrome (2034242424302).

The spelling of 1012021222201 in words is "one trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred one".