11001210021222 has 16 divisors (see below), whose sum is σ = 22002685407552. Its totient is φ = 3667025779560.

The previous prime is 11001210021173. The next prime is 11001210021223. The reversal of 11001210021222 is 22212001210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001210021223) 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, 10515904 + ... + 11514627.

It is an arithmetic number, because the mean of its divisors is an integer number (1375167837972).

Almost surely, 2^{11001210021222} is an apocalyptic number.

11001210021222 is an abundant number, since it is smaller than the sum of its proper divisors (11001475386330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001210021222 is a wasteful number, since it uses less digits than its factorization.

11001210021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22113763.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11001210021222 its reverse (22212001210011), we get a palindrome (33213211231233).

The spelling of 11001210021222 in words is "eleven trillion, one billion, two hundred ten million, twenty-one thousand, two hundred twenty-two".