22121202201 has 8 divisors (see below), whose sum is σ = 33708498624. Its totient is φ = 12640686960.

The previous prime is 22121202151. The next prime is 22121202203. The reversal of 22121202201 is 10220212122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22121202201 - 2⁷ = 22121202073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121202203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526695270 + ... + 526695311.

It is an arithmetic number, because the mean of its divisors is an integer number (4213562328).

Almost surely, 2^22121202201 is an apocalyptic number.

22121202201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22121202201 is a deficient number, since it is larger than the sum of its proper divisors (11587296423).

22121202201 is a wasteful number, since it uses less digits than its factorization.

22121202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053390591.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22121202201 its reverse (10220212122), we get a palindrome (32341414323).

The spelling of 22121202201 in words is "twenty-two billion, one hundred twenty-one million, two hundred two thousand, two hundred one".