1121020002222 has 16 divisors (see below), whose sum is σ = 2242102172160. Its totient is φ = 373662972792.

The previous prime is 1121020002211. The next prime is 1121020002229. The reversal of 1121020002222 is 2222000201211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121020002229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354248 + ... + 2790075.

It is an arithmetic number, because the mean of its divisors is an integer number (140131385760).

Almost surely, 2^{1121020002222} is an apocalyptic number.

1121020002222 is an abundant number, since it is smaller than the sum of its proper divisors (1121082169938).

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

1121020002222 is a wasteful number, since it uses less digits than its factorization.

1121020002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180647.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1121020002222 its reverse (2222000201211), we get a palindrome (3343020203433).

The spelling of 1121020002222 in words is "one trillion, one hundred twenty-one billion, twenty million, two thousand, two hundred twenty-two".