20100100221122 has 32 divisors (see below), whose sum is σ = 31838073321600. Its totient is φ = 9490790469888.

The previous prime is 20100100221083. The next prime is 20100100221241. The reversal of 20100100221122 is 22112200100102.

It is a junction number, because it is equal to n+sod(n) for n = 20100100221097 and 20100100221106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59751548 + ... + 60087000.

It is an arithmetic number, because the mean of its divisors is an integer number (994939791300).

Almost surely, 2^{20100100221122} is an apocalyptic number.

20100100221122 is a deficient number, since it is larger than the sum of its proper divisors (11737973100478).

20100100221122 is a wasteful number, since it uses less digits than its factorization.

20100100221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340490.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100100221122 its reverse (22112200100102), we get a palindrome (42212300321224).

The spelling of 20100100221122 in words is "twenty trillion, one hundred billion, one hundred million, two hundred twenty-one thousand, one hundred twenty-two".