20100001111222 has 8 divisors (see below), whose sum is σ = 30885367561272. Its totient is φ = 9804878590800.

The previous prime is 20100001111207. The next prime is 20100001111259. The reversal of 20100001111222 is 22211110000102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20100001111222² (a number of 27 digits) contains 22 as substring.

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, 122560982304 + ... + 122560982467.

It is an arithmetic number, because the mean of its divisors is an integer number (3860670945159).

Almost surely, 2^{20100001111222} is an apocalyptic number.

20100001111222 is a deficient number, since it is larger than the sum of its proper divisors (10785366450050).

20100001111222 is a wasteful number, since it uses less digits than its factorization.

20100001111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245121964814.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20100001111222 its reverse (22211110000102), we get a palindrome (42311111111324).

The spelling of 20100001111222 in words is "twenty trillion, one hundred billion, one million, one hundred eleven thousand, two hundred twenty-two".