1201111210222 has 32 divisors (see below), whose sum is σ = 2292075475200. Its totient is φ = 467965403640.

The previous prime is 1201111210171. The next prime is 1201111210223. The reversal of 1201111210222 is 2220121111021.

It is a junction number, because it is equal to n+sod(n) for n = 1201111210196 and 1201111210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201111210223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79578408 + ... + 79593499.

It is an arithmetic number, because the mean of its divisors is an integer number (71627358600).

Almost surely, 2^{1201111210222} is an apocalyptic number.

1201111210222 is a deficient number, since it is larger than the sum of its proper divisors (1090964264978).

1201111210222 is a wasteful number, since it uses less digits than its factorization.

1201111210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159171941 (or 159171927 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201111210222 its reverse (2220121111021), we get a palindrome (3421232321243).

The spelling of 1201111210222 in words is "one trillion, two hundred one billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-two".