20212101220222 has 8 divisors (see below), whose sum is σ = 31057618948272. Its totient is φ = 9859561570800.

The previous prime is 20212101220151. The next prime is 20212101220231. The reversal of 20212101220222 is 22202210121202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20212101220222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20212101220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123244519554 + ... + 123244519717.

It is an arithmetic number, because the mean of its divisors is an integer number (3882202368534).

Almost surely, 2^{20212101220222} is an apocalyptic number.

20212101220222 is a deficient number, since it is larger than the sum of its proper divisors (10845517728050).

20212101220222 is a wasteful number, since it uses less digits than its factorization.

20212101220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246489039314.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20212101220222 its reverse (22202210121202), we get a palindrome (42414311341424).

The spelling of 20212101220222 in words is "twenty trillion, two hundred twelve billion, one hundred one million, two hundred twenty thousand, two hundred twenty-two".