20210011222 has 4 divisors (see below), whose sum is σ = 30315016836. Its totient is φ = 10105005610.

The previous prime is 20210011201. The next prime is 20210011259. The reversal of 20210011222 is 22211001202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052502804 + ... + 5052502807.

It is an arithmetic number, because the mean of its divisors is an integer number (7578754209).

Almost surely, 2^20210011222 is an apocalyptic number.

20210011222 is a deficient number, since it is larger than the sum of its proper divisors (10105005614).

20210011222 is a wasteful number, since it uses less digits than its factorization.

20210011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105005613.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20210011222 its reverse (22211001202), we get a palindrome (42421012424).

The spelling of 20210011222 in words is "twenty billion, two hundred ten million, eleven thousand, two hundred twenty-two".