20112021222010 has 16 divisors (see below), whose sum is σ = 36234047922696. Its totient is φ = 8037606328128.

The previous prime is 20112021222001. The next prime is 20112021222019. The reversal of 20112021222010 is 1022212021102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20112021222001) and next prime (20112021222019).

It can be written as a sum of positive squares in 4 ways, for example, as 6803526239449 + 13308494982561 = 2608357^2 + 3648081^2 .

It is a super-2 number, since 2×20112021222010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112021222019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900258357 + ... + 900280696.

Almost surely, 2^{20112021222010} is an apocalyptic number.

20112021222010 is a deficient number, since it is larger than the sum of its proper divisors (16122026700686).

20112021222010 is a wasteful number, since it uses less digits than its factorization.

20112021222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800540177.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20112021222010 its reverse (1022212021102), we get a palindrome (21134233243112).

The spelling of 20112021222010 in words is "twenty trillion, one hundred twelve billion, twenty-one million, two hundred twenty-two thousand, ten".