220210102102121 has 8 divisors (see below), whose sum is σ = 222268905887904. Its totient is φ = 218151312491520.

The previous prime is 220210102102117. The next prime is 220210102102171. The reversal of 220210102102121 is 121201201012022.

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 220210102102121 - 2² = 220210102102117 is a prime.

It is a super-2 number, since 2×220210102102121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220210102102121.

It is not an unprimeable number, because it can be changed into a prime (220210102102171) 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, 29067566 + ... + 35851688.

It is an arithmetic number, because the mean of its divisors is an integer number (27783613235988).

Almost surely, 2^{220210102102121} is an apocalyptic number.

It is an amenable number.

220210102102121 is a deficient number, since it is larger than the sum of its proper divisors (2058803785783).

220210102102121 is a wasteful number, since it uses less digits than its factorization.

220210102102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087591.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220210102102121 its reverse (121201201012022), we get a palindrome (341411303114143).

The spelling of 220210102102121 in words is "two hundred twenty trillion, two hundred ten billion, one hundred two million, one hundred two thousand, one hundred twenty-one".