102110220012121 has 16 divisors (see below), whose sum is σ = 104374029876480. Its totient is φ = 99858915673920.

The previous prime is 102110220012061. The next prime is 102110220012127. The reversal of 102110220012121 is 121210022011201.

It is a cyclic number.

It is not a de Polignac number, because 102110220012121 - 2²³ = 102110211623513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102110220012095 and 102110220012104.

It is not an unprimeable number, because it can be changed into a prime (102110220012127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127210596 + ... + 1127301178.

It is an arithmetic number, because the mean of its divisors is an integer number (6523376867280).

Almost surely, 2^{102110220012121} is an apocalyptic number.

It is an amenable number.

102110220012121 is a deficient number, since it is larger than the sum of its proper divisors (2263809864359).

102110220012121 is an equidigital number, since it uses as much as digits as its factorization.

102110220012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159336.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102110220012121 its reverse (121210022011201), we get a palindrome (223320242023322).

The spelling of 102110220012121 in words is "one hundred two trillion, one hundred ten billion, two hundred twenty million, twelve thousand, one hundred twenty-one".