20101210100022 has 16 divisors (see below), whose sum is σ = 40270908146112. Its totient is φ = 6688988709000.

The previous prime is 20101210100003. The next prime is 20101210100033. The reversal of 20101210100022 is 22000101210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101210099980 and 20101210100007.

It is a congruent number.

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, 2853660604 + ... + 2853667647.

It is an arithmetic number, because the mean of its divisors is an integer number (2516931759132).

Almost surely, 2^{20101210100022} is an apocalyptic number.

20101210100022 is an abundant number, since it is smaller than the sum of its proper divisors (20169698046090).

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

20101210100022 is a wasteful number, since it uses less digits than its factorization.

20101210100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707328843.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101210100022 its reverse (22000101210102), we get a palindrome (42101311310124).

The spelling of 20101210100022 in words is "twenty trillion, one hundred one billion, two hundred ten million, one hundred thousand, twenty-two".