1121212220002 has 64 divisors (see below), whose sum is σ = 1963522229760. Its totient is φ = 470282029056.

The previous prime is 1121212219961. The next prime is 1121212220027. The reversal of 1121212220002 is 2000222121211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105879324 + ... + 105889912.

It is an arithmetic number, because the mean of its divisors is an integer number (30680034840).

Almost surely, 2^{1121212220002} is an apocalyptic number.

1121212220002 is a deficient number, since it is larger than the sum of its proper divisors (842310009758).

1121212220002 is a wasteful number, since it uses less digits than its factorization.

1121212220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11555.

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

Adding to 1121212220002 its reverse (2000222121211), we get a palindrome (3121434341213).

The spelling of 1121212220002 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty thousand, two".