10001011121222 has 16 divisors (see below), whose sum is σ = 16365346131600. Its totient is φ = 4545898811040.

The previous prime is 10001011121219. The next prime is 10001011121243. The reversal of 10001011121222 is 22212111010001.

It is a super-2 number, since 2×10001011121222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001011121197 and 10001011121206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8269904 + ... + 9401772.

It is an arithmetic number, because the mean of its divisors is an integer number (1022834133225).

Almost surely, 2^{10001011121222} is an apocalyptic number.

10001011121222 is a deficient number, since it is larger than the sum of its proper divisors (6364335010378).

10001011121222 is a wasteful number, since it uses less digits than its factorization.

10001011121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533511.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10001011121222 its reverse (22212111010001), we get a palindrome (32213122131223).

The spelling of 10001011121222 in words is "ten trillion, one billion, eleven million, one hundred twenty-one thousand, two hundred twenty-two".