10220022201221 has 32 divisors (see below), whose sum is σ = 11895761955840. Its totient is φ = 8598814848000.

The previous prime is 10220022201209. The next prime is 10220022201269. The reversal of 10220022201221 is 12210222002201.

It is a happy number.

10220022201221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10220022201221 - 2²⁶ = 10219955092357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220022201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220022201121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 874322345 + ... + 874334033.

It is an arithmetic number, because the mean of its divisors is an integer number (371742561120).

Almost surely, 2^{10220022201221} is an apocalyptic number.

It is an amenable number.

10220022201221 is a deficient number, since it is larger than the sum of its proper divisors (1675739754619).

10220022201221 is a wasteful number, since it uses less digits than its factorization.

10220022201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10220022201221 its reverse (12210222002201), we get a palindrome (22430244203422).

It can be divided in two parts, 1022002 and 2201221, that added together give a palindrome (3223223).

The spelling of 10220022201221 in words is "ten trillion, two hundred twenty billion, twenty-two million, two hundred one thousand, two hundred twenty-one".