20212212201 has 8 divisors (see below), whose sum is σ = 27391413504. Its totient is φ = 13253909520.

The previous prime is 20212212199. The next prime is 20212212211. The reversal of 20212212201 is 10221221202.

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

It is not a de Polignac number, because 20212212201 - 2¹ = 20212212199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212212211) 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, 55224441 + ... + 55224806.

It is an arithmetic number, because the mean of its divisors is an integer number (3423926688).

Almost surely, 2^20212212201 is an apocalyptic number.

It is an amenable number.

20212212201 is a deficient number, since it is larger than the sum of its proper divisors (7179201303).

20212212201 is a wasteful number, since it uses less digits than its factorization.

20212212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110449311.

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

Adding to 20212212201 its reverse (10221221202), we get a palindrome (30433433403).

Subtracting from 20212212201 its reverse (10221221202), we obtain a palindrome (9990990999).

The spelling of 20212212201 in words is "twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred one".