211220001200022 has 32 divisors (see below), whose sum is σ = 433035614610144. Its totient is φ = 68643050726400.

The previous prime is 211220001199969. The next prime is 211220001200051. The reversal of 211220001200022 is 220002100022112.

It is a super-2 number, since 2×211220001200022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211220001199974 and 211220001200010.

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, 289513423 + ... + 290242074.

It is an arithmetic number, because the mean of its divisors is an integer number (13532362956567).

Almost surely, 2^{211220001200022} is an apocalyptic number.

211220001200022 is an abundant number, since it is smaller than the sum of its proper divisors (221815613410122).

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

211220001200022 is a wasteful number, since it uses less digits than its factorization.

211220001200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579757024.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211220001200022 its reverse (220002100022112), we get a palindrome (431222101222134).

The spelling of 211220001200022 in words is "two hundred eleven trillion, two hundred twenty billion, one million, two hundred thousand, twenty-two".