221211201130 has 16 divisors (see below), whose sum is σ = 415492343424. Its totient is φ = 84637329040.

The previous prime is 221211201077. The next prime is 221211201131. The reversal of 221211201130 is 31102112122.

It is not an unprimeable number, because it can be changed into a prime (221211201131) 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, 480893686 + ... + 480894145.

It is an arithmetic number, because the mean of its divisors is an integer number (25968271464).

Almost surely, 2^221211201130 is an apocalyptic number.

221211201130 is a deficient number, since it is larger than the sum of its proper divisors (194281142294).

221211201130 is a wasteful number, since it uses less digits than its factorization.

221211201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961787861.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221211201130 its reverse (31102112122), we get a palindrome (252313313252).

The spelling of 221211201130 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred one thousand, one hundred thirty".