1231101233322 has 64 divisors (see below), whose sum is σ = 2555011323648. Its totient is φ = 395133120000.

The previous prime is 1231101233273. The next prime is 1231101233407. The reversal of 1231101233322 is 2233321011321.

It is a super-2 number, since 2×1231101233322² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231101233292 and 1231101233301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51132547 + ... + 51156617.

It is an arithmetic number, because the mean of its divisors is an integer number (39922051932).

Almost surely, 2^{1231101233322} is an apocalyptic number.

1231101233322 is an abundant number, since it is smaller than the sum of its proper divisors (1323910090326).

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

1231101233322 is a wasteful number, since it uses less digits than its factorization.

1231101233322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26495.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1231101233322 its reverse (2233321011321), we get a palindrome (3464422244643).

The spelling of 1231101233322 in words is "one trillion, two hundred thirty-one billion, one hundred one million, two hundred thirty-three thousand, three hundred twenty-two".