220121110221002 has 16 divisors (see below), whose sum is σ = 330604531914240. Its totient is φ = 109919683166832.

The previous prime is 220121110220989. The next prime is 220121110221013. The reversal of 220121110221002 is 200122011121022.

It is a super-2 number, since 2×220121110221002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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, 15626798 + ... + 26161785.

It is an arithmetic number, because the mean of its divisors is an integer number (20662783244640).

Almost surely, 2^{220121110221002} is an apocalyptic number.

220121110221002 is a deficient number, since it is larger than the sum of its proper divisors (110483421693238).

220121110221002 is a wasteful number, since it uses less digits than its factorization.

220121110221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41791957.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220121110221002 its reverse (200122011121022), we get a palindrome (420243121342024).

The spelling of 220121110221002 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, two".