10220210111221 has 16 divisors (see below), whose sum is σ = 11272462164288. Its totient is φ = 9188690112000.

The previous prime is 10220210111219. The next prime is 10220210111239. The reversal of 10220210111221 is 12211101202201.

It is a cyclic number.

It is not a de Polignac number, because 10220210111221 - 2¹ = 10220210111219 is a prime.

It is a super-2 number, since 2×10220210111221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220210111195 and 10220210111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220210111521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4227996 + ... + 6190021.

It is an arithmetic number, because the mean of its divisors is an integer number (704528885268).

Almost surely, 2^{10220210111221} is an apocalyptic number.

10220210111221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220210111221 is a deficient number, since it is larger than the sum of its proper divisors (1052252053067).

10220210111221 is a wasteful number, since it uses less digits than its factorization.

10220210111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10419012.

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

Adding to 10220210111221 its reverse (12211101202201), we get a palindrome (22431311313422).

The spelling of 10220210111221 in words is "ten trillion, two hundred twenty billion, two hundred ten million, one hundred eleven thousand, two hundred twenty-one".