20212113211222 has 16 divisors (see below), whose sum is σ = 30334675940352. Its totient is φ = 10100555614440.

The previous prime is 20212113211219. The next prime is 20212113211243. The reversal of 20212113211222 is 22211231121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212113211193 and 20212113211202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39039783 + ... + 39554125.

It is an arithmetic number, because the mean of its divisors is an integer number (1895917246272).

Almost surely, 2^{20212113211222} is an apocalyptic number.

20212113211222 is a deficient number, since it is larger than the sum of its proper divisors (10122562729130).

20212113211222 is a wasteful number, since it uses less digits than its factorization.

20212113211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525003.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20212113211222 its reverse (22211231121202), we get a palindrome (42423344332424).

The spelling of 20212113211222 in words is "twenty trillion, two hundred twelve billion, one hundred thirteen million, two hundred eleven thousand, two hundred twenty-two".