22101101012 has 12 divisors (see below), whose sum is σ = 38722063380. Its totient is φ = 11037654336.

The previous prime is 22101100981. The next prime is 22101101021. The reversal of 22101101012 is 21010110122.

It can be written as a sum of positive squares in 2 ways, for example, as 9060374596 + 13040726416 = 95186^2 + 114196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101100984 and 22101101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3220187 + ... + 3227042.

It is an arithmetic number, because the mean of its divisors is an integer number (3226838615).

Almost surely, 2^22101101012 is an apocalyptic number.

It is an amenable number.

22101101012 is a deficient number, since it is larger than the sum of its proper divisors (16620962368).

22101101012 is a wasteful number, since it uses less digits than its factorization.

22101101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448090 (or 6448088 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22101101012 its reverse (21010110122), we get a palindrome (43111211134).

It can be divided in two parts, 2210110 and 1012, that added together give a palindrome (2211122).

The spelling of 22101101012 in words is "twenty-two billion, one hundred one million, one hundred one thousand, twelve".