220101002202121 has 8 divisors (see below), whose sum is σ = 225469516777344. Its totient is φ = 214732497029280.

The previous prime is 220101002202073. The next prime is 220101002202157. The reversal of 220101002202121 is 121202200101022.

It is a happy number.

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 220101002202121 - 2³¹ = 220098854718473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220101002202095 and 220101002202104.

It is not an unprimeable number, because it can be changed into a prime (220101002206121) 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, 78760636 + ... + 81507298.

It is an arithmetic number, because the mean of its divisors is an integer number (28183689597168).

Almost surely, 2^{220101002202121} is an apocalyptic number.

It is an amenable number.

220101002202121 is a deficient number, since it is larger than the sum of its proper divisors (5368514575223).

220101002202121 is a wasteful number, since it uses less digits than its factorization.

220101002202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701191.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220101002202121 its reverse (121202200101022), we get a palindrome (341303202303143).

The spelling of 220101002202121 in words is "two hundred twenty trillion, one hundred one billion, two million, two hundred two thousand, one hundred twenty-one".