222100022111020 has 24 divisors (see below), whose sum is σ = 466410435465744. Its totient is φ = 88839934742976.

The previous prime is 222100022110973. The next prime is 222100022111041. The reversal of 222100022111020 is 20111220001222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222100022110985 and 222100022111003.

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, 24377862 + ... + 32225458.

It is an arithmetic number, because the mean of its divisors is an integer number (19433768144406).

Almost surely, 2^{222100022111020} is an apocalyptic number.

222100022111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100022111020 is an abundant number, since it is smaller than the sum of its proper divisors (244310413354724).

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

222100022111020 is a wasteful number, since it uses less digits than its factorization.

222100022111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9262689 (or 9262687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222100022111020 its reverse (20111220001222), we get a palindrome (242211242112242).

The spelling of 222100022111020 in words is "two hundred twenty-two trillion, one hundred billion, twenty-two million, one hundred eleven thousand, twenty".