121100002022 has 12 divisors (see below), whose sum is σ = 183978495036. Its totient is φ = 59783539140.

The previous prime is 121100001983. The next prime is 121100002091. The reversal of 121100002022 is 220200001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121100001994 and 121100002012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4838504 + ... + 4863467.

It is an arithmetic number, because the mean of its divisors is an integer number (15331541253).

Almost surely, 2^121100002022 is an apocalyptic number.

121100002022 is a deficient number, since it is larger than the sum of its proper divisors (62878493014).

121100002022 is an frugal number, since it uses more digits than its factorization.

121100002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702131 (or 9702052 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121100002022 its reverse (220200001121), we get a palindrome (341300003143).

Subtracting 121100002022 from its reverse (220200001121), we obtain a palindrome (99099999099).

The spelling of 121100002022 in words is "one hundred twenty-one billion, one hundred million, two thousand, twenty-two".