20110201222 has 4 divisors (see below), whose sum is σ = 30165301836. Its totient is φ = 10055100610.

The previous prime is 20110201201. The next prime is 20110201249. The reversal of 20110201222 is 22210201102.

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, 5027550304 + ... + 5027550307.

It is an arithmetic number, because the mean of its divisors is an integer number (7541325459).

Almost surely, 2^20110201222 is an apocalyptic number.

20110201222 is a deficient number, since it is larger than the sum of its proper divisors (10055100614).

20110201222 is a wasteful number, since it uses less digits than its factorization.

20110201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055100613.

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

Adding to 20110201222 its reverse (22210201102), we get a palindrome (42320402324).

The spelling of 20110201222 in words is "twenty billion, one hundred ten million, two hundred one thousand, two hundred twenty-two".