20012101001222 has 32 divisors (see below), whose sum is σ = 34353414662400. Its totient is φ = 8659039664800.

The previous prime is 20012101001219. The next prime is 20012101001317. The reversal of 20012101001222 is 22210010121002.

It is a super-2 number, since 2×20012101001222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012101001197 and 20012101001206.

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, 220848572 + ... + 220939167.

It is an arithmetic number, because the mean of its divisors is an integer number (1073544208200).

Almost surely, 2^{20012101001222} is an apocalyptic number.

20012101001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012101001222 is a deficient number, since it is larger than the sum of its proper divisors (14341313661178).

20012101001222 is a wasteful number, since it uses less digits than its factorization.

20012101001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441787852.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20012101001222 its reverse (22210010121002), we get a palindrome (42222111122224).

The spelling of 20012101001222 in words is "twenty trillion, twelve billion, one hundred one million, one thousand, two hundred twenty-two".