121002222 has 32 divisors (see below), whose sum is σ = 277902720. Its totient is φ = 34737120.

The previous prime is 121002199. The next prime is 121002251. The reversal of 121002222 is 222200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002198 and 121002207.

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, 46993 + ... + 49500.

It is an arithmetic number, because the mean of its divisors is an integer number (8684460).

Almost surely, 2^121002222 is an apocalyptic number.

121002222 is an abundant number, since it is smaller than the sum of its proper divisors (156900498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121002222 is a wasteful number, since it uses less digits than its factorization.

121002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96528.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 121002222 is about 11000.1009995363. The cubic root of 121002222 is about 494.6117719114.

Adding to 121002222 its reverse (222200121), we get a palindrome (343202343).

The spelling of 121002222 in words is "one hundred twenty-one million, two thousand, two hundred twenty-two".