22132221212010 has 256 divisors, whose sum is σ = 65637923097600. Its totient is φ = 4650913603584.

The previous prime is 22132221211999. The next prime is 22132221212071. The reversal of 22132221212010 is 1021212223122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1063578486 + ... + 1063599294.

It is an arithmetic number, because the mean of its divisors is an integer number (256398137100).

Almost surely, 2^{22132221212010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22132221212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32818961548800).

22132221212010 is an abundant number, since it is smaller than the sum of its proper divisors (43505701885590).

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

22132221212010 is a wasteful number, since it uses less digits than its factorization.

22132221212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22385.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22132221212010 its reverse (1021212223122), we get a palindrome (23153433435132).

The spelling of 22132221212010 in words is "twenty-two trillion, one hundred thirty-two billion, two hundred twenty-one million, two hundred twelve thousand, ten".