10122121222 has 32 divisors (see below), whose sum is σ = 15554636064. Its totient is φ = 4939200000.

The previous prime is 10122121213. The next prime is 10122121259. The reversal of 10122121222 is 22212122101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10122121196 and 10122121205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4495597 + ... + 4497847.

It is an arithmetic number, because the mean of its divisors is an integer number (486082377).

Almost surely, 2^10122121222 is an apocalyptic number.

10122121222 is a deficient number, since it is larger than the sum of its proper divisors (5432514842).

10122121222 is a wasteful number, since it uses less digits than its factorization.

10122121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664.

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

Adding to 10122121222 its reverse (22212122101), we get a palindrome (32334243323).

The spelling of 10122121222 in words is "ten billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".