111022020200121 has 48 divisors (see below), whose sum is σ = 163030676484096. Its totient is φ = 67067377689312.

The previous prime is 111022020200107. The next prime is 111022020200123. The reversal of 111022020200121 is 121002020220111.

It is not a de Polignac number, because 111022020200121 - 2⁶ = 111022020200057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111022020200121.

It is not an unprimeable number, because it can be changed into a prime (111022020200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 603278706 + ... + 603462708.

It is an arithmetic number, because the mean of its divisors is an integer number (3396472426752).

Almost surely, 2^{111022020200121} is an apocalyptic number.

It is an amenable number.

111022020200121 is a deficient number, since it is larger than the sum of its proper divisors (52008656283975).

111022020200121 is a wasteful number, since it uses less digits than its factorization.

111022020200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208290 (or 208271 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111022020200121 its reverse (121002020220111), we get a palindrome (232024040420232).

The spelling of 111022020200121 in words is "one hundred eleven trillion, twenty-two billion, twenty million, two hundred thousand, one hundred twenty-one".