220201001002121 has 8 divisors (see below), whose sum is σ = 224222855485440. Its totient is φ = 216214896336768.

The previous prime is 220201001002109. The next prime is 220201001002181. The reversal of 220201001002121 is 121200100102022.

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

It is a cyclic number.

It is not a de Polignac number, because 220201001002121 - 2²⁶ = 220200933893257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220201001002096 and 220201001002105.

It is not an unprimeable number, because it can be changed into a prime (220201001002181) 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, 8937442061 + ... + 8937466698.

It is an arithmetic number, because the mean of its divisors is an integer number (28027856935680).

Almost surely, 2^{220201001002121} is an apocalyptic number.

It is an amenable number.

220201001002121 is a deficient number, since it is larger than the sum of its proper divisors (4021854483319).

220201001002121 is a wasteful number, since it uses less digits than its factorization.

220201001002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17874908983.

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

Adding to 220201001002121 its reverse (121200100102022), we get a palindrome (341401101104143).

Subtracting from 220201001002121 its reverse (121200100102022), we obtain a palindrome (99000900900099).

The spelling of 220201001002121 in words is "two hundred twenty trillion, two hundred one billion, one million, two thousand, one hundred twenty-one".