10220121112 has 8 divisors (see below), whose sum is σ = 19162727100. Its totient is φ = 5110060552.

The previous prime is 10220121103. The next prime is 10220121143. The reversal of 10220121112 is 21112102201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10220121092 and 10220121101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638757562 + ... + 638757577.

Almost surely, 2^10220121112 is an apocalyptic number.

It is an amenable number.

10220121112 is a deficient number, since it is larger than the sum of its proper divisors (8942605988).

10220121112 is a wasteful number, since it uses less digits than its factorization.

10220121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277515145 (or 1277515141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10220121112 its reverse (21112102201), we get a palindrome (31332223313).

It can be divided in two parts, 102201 and 21112, that multiplied together give a palindrome (2157667512).

The spelling of 10220121112 in words is "ten billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twelve".