20221012011222 has 64 divisors (see below), whose sum is σ = 49039855096320. Its totient is φ = 6125176908000.

The previous prime is 20221012011191. The next prime is 20221012011247. The reversal of 20221012011222 is 22211021012202.

It is a happy number.

20221012011222 is a `hidden beast` number, since 20 + 221 + 0 + 1 + 201 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20221012011195 and 20221012011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5157013 + ... + 8187600.

It is an arithmetic number, because the mean of its divisors is an integer number (766247735880).

Almost surely, 2^{20221012011222} is an apocalyptic number.

20221012011222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221012011222 is an abundant number, since it is smaller than the sum of its proper divisors (28818843085098).

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

20221012011222 is a wasteful number, since it uses less digits than its factorization.

20221012011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347186 (or 13347180 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20221012011222 its reverse (22211021012202), we get a palindrome (42432033023424).

The spelling of 20221012011222 in words is "twenty trillion, two hundred twenty-one billion, twelve million, eleven thousand, two hundred twenty-two".