100220121201201 has 16 divisors (see below), whose sum is σ = 133812001932096. Its totient is φ = 66720831218496.

The previous prime is 100220121201199. The next prime is 100220121201229. The reversal of 100220121201201 is 102102121022001.

It is not a de Polignac number, because 100220121201201 - 2¹ = 100220121201199 is a prime.

It is a super-2 number, since 2×100220121201201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100220121201401) 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, 107380911 + ... + 108310203.

It is an arithmetic number, because the mean of its divisors is an integer number (8363250120756).

Almost surely, 2^{100220121201201} is an apocalyptic number.

It is an amenable number.

100220121201201 is a deficient number, since it is larger than the sum of its proper divisors (33591880730895).

100220121201201 is an equidigital number, since it uses as much as digits as its factorization.

100220121201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979072.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100220121201201 its reverse (102102121022001), we get a palindrome (202322242223202).

The spelling of 100220121201201 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, two hundred one thousand, two hundred one".