20211010211222 has 16 divisors (see below), whose sum is σ = 31912420784640. Its totient is φ = 9573546596328.

The previous prime is 20211010211219. The next prime is 20211010211233. The reversal of 20211010211222 is 22211201011202.

It is a self number, because there is not a number n which added to its sum of digits gives 20211010211222.

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, 1700243 + ... + 6581249.

It is an arithmetic number, because the mean of its divisors is an integer number (1994526299040).

Almost surely, 2^{20211010211222} is an apocalyptic number.

20211010211222 is a deficient number, since it is larger than the sum of its proper divisors (11701410573418).

20211010211222 is a wasteful number, since it uses less digits than its factorization.

20211010211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989995.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20211010211222 its reverse (22211201011202), we get a palindrome (42422211222424).

The spelling of 20211010211222 in words is "twenty trillion, two hundred eleven billion, ten million, two hundred eleven thousand, two hundred twenty-two".