20211010220212 has 48 divisors (see below), whose sum is σ = 40781501187840. Its totient is φ = 8584836567552.

The previous prime is 20211010220207. The next prime is 20211010220243. The reversal of 20211010220212 is 21202201011202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80458513 + ... + 80709319.

It is an arithmetic number, because the mean of its divisors is an integer number (849614608080).

Almost surely, 2^{20211010220212} is an apocalyptic number.

It is an amenable number.

20211010220212 is an abundant number, since it is smaller than the sum of its proper divisors (20570490967628).

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

20211010220212 is a wasteful number, since it uses less digits than its factorization.

20211010220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276400 (or 276398 counting only the distinct ones).

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

Adding to 20211010220212 its reverse (21202201011202), we get a palindrome (41413211231414).

The spelling of 20211010220212 in words is "twenty trillion, two hundred eleven billion, ten million, two hundred twenty thousand, two hundred twelve".