121022101000222 has 4 divisors (see below), whose sum is σ = 181533151500336. Its totient is φ = 60511050500110.

The previous prime is 121022101000189. The next prime is 121022101000247. The reversal of 121022101000222 is 222000101220121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 121022101000196 and 121022101000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255525250054 + ... + 30255525250057.

It is an arithmetic number, because the mean of its divisors is an integer number (45383287875084).

Almost surely, 2^{121022101000222} is an apocalyptic number.

121022101000222 is a deficient number, since it is larger than the sum of its proper divisors (60511050500114).

121022101000222 is an equidigital number, since it uses as much as digits as its factorization.

121022101000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60511050500113.

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

Adding to 121022101000222 its reverse (222000101220121), we get a palindrome (343022202220343).

The spelling of 121022101000222 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred one million, two hundred twenty-two", and thus it is an aban number.