220121110202 has 16 divisors (see below), whose sum is σ = 382519660992. Its totient is φ = 93045322080.

The previous prime is 220121110201. The next prime is 220121110213. The reversal of 220121110202 is 202011121022.

220121110202 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220121110202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (220121110201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107690324 + ... + 107692367.

It is an arithmetic number, because the mean of its divisors is an integer number (23907478812).

Almost surely, 2^220121110202 is an apocalyptic number.

220121110202 is a deficient number, since it is larger than the sum of its proper divisors (162398550790).

220121110202 is a wasteful number, since it uses less digits than its factorization.

220121110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215382773.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220121110202 its reverse (202011121022), we get a palindrome (422132231224).

The spelling of 220121110202 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred ten thousand, two hundred two".