2102222010020 has 72 divisors (see below), whose sum is σ = 4862877731712. Its totient is φ = 762807031360.

The previous prime is 2102222010017. The next prime is 2102222010023. The reversal of 2102222010020 is 200102222012.

It is an interprime number because it is at equal distance from previous prime (2102222010017) and next prime (2102222010023).

It is a junction number, because it is equal to n+sod(n) for n = 2102222009977 and 2102222010004.

It is not an unprimeable number, because it can be changed into a prime (2102222010023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200069 + ... + 2060211.

It is an arithmetic number, because the mean of its divisors is an integer number (67539968496).

Almost surely, 2^{2102222010020} is an apocalyptic number.

2102222010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102222010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2431438865856).

2102222010020 is an abundant number, since it is smaller than the sum of its proper divisors (2760655721692).

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

2102222010020 is a wasteful number, since it uses less digits than its factorization.

2102222010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860641 (or 1860628 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2102222010020 its reverse (200102222012), we get a palindrome (2302324232032).

The spelling of 2102222010020 in words is "two trillion, one hundred two billion, two hundred twenty-two million, ten thousand, twenty".