1201001122222 has 16 divisors (see below), whose sum is σ = 1973497478400. Its totient is φ = 543625458040.

The previous prime is 1201001122183. The next prime is 1201001122241. The reversal of 1201001122222 is 2222211001021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201001122196 and 1201001122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114201772 + ... + 114212287.

It is an arithmetic number, because the mean of its divisors is an integer number (123343592400).

Almost surely, 2^{1201001122222} is an apocalyptic number.

1201001122222 is a deficient number, since it is larger than the sum of its proper divisors (772496356178).

1201001122222 is a wasteful number, since it uses less digits than its factorization.

1201001122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228414311.

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

Adding to 1201001122222 its reverse (2222211001021), we get a palindrome (3423212123243).

The spelling of 1201001122222 in words is "one trillion, two hundred one billion, one million, one hundred twenty-two thousand, two hundred twenty-two".