222104121040 has 20 divisors (see below), whose sum is σ = 516392081604. Its totient is φ = 88841648384.

The previous prime is 222104121013. The next prime is 222104121053. The reversal of 222104121040 is 40121401222.

It can be written as a sum of positive squares in 2 ways, for example, as 153244063296 + 68860057744 = 391464^2 + 262412^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 222104120999 and 222104121017.

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, 1388150677 + ... + 1388150836.

Almost surely, 2^222104121040 is an apocalyptic number.

222104121040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222104121040 is an abundant number, since it is smaller than the sum of its proper divisors (294287960564).

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

222104121040 is a wasteful number, since it uses less digits than its factorization.

222104121040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776301526 (or 2776301520 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222104121040 its reverse (40121401222), we get a palindrome (262225522262).

The spelling of 222104121040 in words is "two hundred twenty-two billion, one hundred four million, one hundred twenty-one thousand, forty".