220201201222121 has 8 divisors (see below), whose sum is σ = 262600190277504. Its totient is φ = 180537630815520.

The previous prime is 220201201222073. The next prime is 220201201222133. The reversal of 220201201222121 is 121222102102022.

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 220201201222121 - 2²² = 220201197027817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220201201222093 and 220201201222102.

It is not an unprimeable number, because it can be changed into a prime (220201209222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683854662020 + ... + 683854662341.

It is an arithmetic number, because the mean of its divisors is an integer number (32825023784688).

Almost surely, 2^{220201201222121} is an apocalyptic number.

It is an amenable number.

220201201222121 is a deficient number, since it is larger than the sum of its proper divisors (42398989055383).

220201201222121 is a wasteful number, since it uses less digits than its factorization.

220201201222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367709324391.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220201201222121 its reverse (121222102102022), we get a palindrome (341423303324143).

The spelling of 220201201222121 in words is "two hundred twenty trillion, two hundred one billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-one".