1201111021222 has 32 divisors (see below), whose sum is σ = 2261653977600. Its totient is φ = 466466128128.

The previous prime is 1201111021219. The next prime is 1201111021237. The reversal of 1201111021222 is 2221201111021.

It is a junction number, because it is equal to n+sod(n) for n = 1201111021196 and 1201111021205.

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, 98155947 + ... + 98168182.

It is an arithmetic number, because the mean of its divisors is an integer number (70676686800).

Almost surely, 2^{1201111021222} is an apocalyptic number.

1201111021222 is a deficient number, since it is larger than the sum of its proper divisors (1060542956378).

1201111021222 is a wasteful number, since it uses less digits than its factorization.

1201111021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196324180.

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

Adding to 1201111021222 its reverse (2221201111021), we get a palindrome (3422312132243).

It can be divided in two parts, 1201111021 and 222, that multiplied together give a palindrome (266646646662).

The spelling of 1201111021222 in words is "one trillion, two hundred one billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".