20102101211022 has 16 divisors (see below), whose sum is σ = 40232736294480. Its totient is φ = 6695944758272.

The previous prime is 20102101210981. The next prime is 20102101211029. The reversal of 20102101211022 is 22011210120102.

It is a junction number, because it is equal to n+sod(n) for n = 20102101210992 and 20102101211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102101211029) by changing a digit.

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, 1188902193 + ... + 1188919100.

It is an arithmetic number, because the mean of its divisors is an integer number (2514546018405).

Almost surely, 2^{20102101211022} is an apocalyptic number.

20102101211022 is an abundant number, since it is smaller than the sum of its proper divisors (20130635083458).

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

20102101211022 is a wasteful number, since it uses less digits than its factorization.

20102101211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377822707.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102101211022 its reverse (22011210120102), we get a palindrome (42113311331124).

The spelling of 20102101211022 in words is "twenty trillion, one hundred two billion, one hundred one million, two hundred eleven thousand, twenty-two".