12022211222021 has 108 divisors (see below), whose sum is σ = 17549209530720. Its totient is φ = 8138659576320.

The previous prime is 12022211221967. The next prime is 12022211222029.

12022211222021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12022211222021 - 2⁶ = 12022211221957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022211221984 and 12022211222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022211222029) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 26096960 + ... + 26553638.

It is an arithmetic number, because the mean of its divisors is an integer number (162492680840).

Almost surely, 2^{12022211222021} is an apocalyptic number.

12022211222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12022211222021 is a deficient number, since it is larger than the sum of its proper divisors (5526998308699).

12022211222021 is a wasteful number, since it uses less digits than its factorization.

12022211222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456764 (or 456727 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 1202221 and 1222021, that added together give a palindrome (2424242).

The spelling of 12022211222021 in words is "twelve trillion, twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, twenty-one".