22211221202030 has 16 divisors (see below), whose sum is σ = 45691655044320. Its totient is φ = 7615275840672.

The previous prime is 22211221202029. The next prime is 22211221202039. The reversal of 22211221202030 is 3020212211222.

It is a super-2 number, since 2×22211221202030² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22211221201993 and 22211221202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211221202039) 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, 158651579945 + ... + 158651580084.

It is an arithmetic number, because the mean of its divisors is an integer number (2855728440270).

Almost surely, 2^{22211221202030} is an apocalyptic number.

22211221202030 is an abundant number, since it is smaller than the sum of its proper divisors (23480433842290).

22211221202030 is a wasteful number, since it uses less digits than its factorization.

22211221202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317303160043.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22211221202030 its reverse (3020212211222), we get a palindrome (25231433413252).

The spelling of 22211221202030 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, two hundred two thousand, thirty".