1122204261000 has 128 divisors (see below), whose sum is σ = 3535271251200. Its totient is φ = 296349004800.

The previous prime is 1122204260999. The next prime is 1122204261107. The reversal of 1122204261000 is 1624022211.

It is a super-2 number, since 2×1122204261000² (a number of 25 digits) contains 22 as substring.

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, 1506865 + ... + 2124864.

It is an arithmetic number, because the mean of its divisors is an integer number (27619306650).

Almost surely, 2^{1122204261000} is an apocalyptic number.

1122204261000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122204261000 is an abundant number, since it is smaller than the sum of its proper divisors (2413066990200).

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

1122204261000 is a wasteful number, since it uses less digits than its factorization.

1122204261000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631856 (or 3631842 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1122204261000 its reverse (1624022211), we get a palindrome (1123828283211).

The spelling of 1122204261000 in words is "one trillion, one hundred twenty-two billion, two hundred four million, two hundred sixty-one thousand".