102121012222 has 8 divisors (see below), whose sum is σ = 162192195936. Its totient is φ = 48056946912.

The previous prime is 102121012219. The next prime is 102121012241. The reversal of 102121012222 is 222210121201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102121012222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102121012196 and 102121012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501779558 + ... + 1501779625.

It is an arithmetic number, because the mean of its divisors is an integer number (20274024492).

Almost surely, 2^102121012222 is an apocalyptic number.

102121012222 is a deficient number, since it is larger than the sum of its proper divisors (60071183714).

102121012222 is a wasteful number, since it uses less digits than its factorization.

102121012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003559202.

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

Adding to 102121012222 its reverse (222210121201), we get a palindrome (324331133423).

The spelling of 102121012222 in words is "one hundred two billion, one hundred twenty-one million, twelve thousand, two hundred twenty-two".