100201210220121 has 8 divisors (see below), whose sum is σ = 133601922102240. Its totient is φ = 66800652575712.

The previous prime is 100201210220071. The next prime is 100201210220129. The reversal of 100201210220121 is 121022012102001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100201210220121 - 2¹⁴ = 100201210203737 is a prime.

It is a super-2 number, since 2×100201210220121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100201210220121.

It is not an unprimeable number, because it can be changed into a prime (100201210220129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37034956 + ... + 39648333.

It is an arithmetic number, because the mean of its divisors is an integer number (16700240262780).

Almost surely, 2^{100201210220121} is an apocalyptic number.

It is an amenable number.

100201210220121 is a deficient number, since it is larger than the sum of its proper divisors (33400711882119).

100201210220121 is an equidigital number, since it uses as much as digits as its factorization.

100201210220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77118855.

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

Adding to 100201210220121 its reverse (121022012102001), we get a palindrome (221223222322122).

The spelling of 100201210220121 in words is "one hundred trillion, two hundred one billion, two hundred ten million, two hundred twenty thousand, one hundred twenty-one".