1122221212010 has 16 divisors (see below), whose sum is σ = 2021953667976. Its totient is φ = 448453932288.

The previous prime is 1122221211997. The next prime is 1122221212033. The reversal of 1122221212010 is 102121222211.

It can be written as a sum of positive squares in 4 ways, for example, as 1083820498489 + 38400713521 = 1041067^2 + 195961^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1122221212010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54308219 + ... + 54328878.

Almost surely, 2^{1122221212010} is an apocalyptic number.

1122221212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122221212010 is a deficient number, since it is larger than the sum of its proper divisors (899732455966).

1122221212010 is a wasteful number, since it uses less digits than its factorization.

1122221212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108638137.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122221212010 its reverse (102121222211), we get a palindrome (1224342434221).

The spelling of 1122221212010 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, ten".