111020010222121 has 72 divisors (see below), whose sum is σ = 152767232864064. Its totient is φ = 79744664039040.

The previous prime is 111020010222103. The next prime is 111020010222127. The reversal of 111020010222121 is 121222010020111.

It is not a de Polignac number, because 111020010222121 - 2⁷ = 111020010221993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111020010222095 and 111020010222104.

It is not an unprimeable number, because it can be changed into a prime (111020010222127) 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 71 ways as a sum of consecutive naturals, for example, 65384931 + ... + 67061383.

It is an arithmetic number, because the mean of its divisors is an integer number (2121767123112).

Almost surely, 2^{111020010222121} is an apocalyptic number.

111020010222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111020010222121 is a deficient number, since it is larger than the sum of its proper divisors (41747222641943).

111020010222121 is a wasteful number, since it uses less digits than its factorization.

111020010222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677231 (or 1677211 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111020010222121 its reverse (121222010020111), we get a palindrome (232242020242232).

The spelling of 111020010222121 in words is "one hundred eleven trillion, twenty billion, ten million, two hundred twenty-two thousand, one hundred twenty-one".