22311131121030 has 128 divisors (see below), whose sum is σ = 55385311887360. Its totient is φ = 5746131256320.

The previous prime is 22311131121001. The next prime is 22311131121067. The reversal of 22311131121030 is 3012113111322.

It is a super-3 number, since 3×22311131121030³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22311131120988 and 22311131121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 966382147 + ... + 966405233.

It is an arithmetic number, because the mean of its divisors is an integer number (432697749120).

Almost surely, 2^{22311131121030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22311131121030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27692655943680).

22311131121030 is an abundant number, since it is smaller than the sum of its proper divisors (33074180766330).

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

22311131121030 is a wasteful number, since it uses less digits than its factorization.

22311131121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25174.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 22311131121030 its reverse (3012113111322), we get a palindrome (25323244232352).

The spelling of 22311131121030 in words is "twenty-two trillion, three hundred eleven billion, one hundred thirty-one million, one hundred twenty-one thousand, thirty".