1121211221002 has 32 divisors (see below), whose sum is σ = 1696337510400. Its totient is φ = 555786725808.

The previous prime is 1121211220991. The next prime is 1121211221087. The reversal of 1121211221002 is 2001221121211.

It is a super-2 number, since 2×1121211221002² (a number of 25 digits) contains 22 as substring.

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, 234413503 + ... + 234418285.

It is an arithmetic number, because the mean of its divisors is an integer number (53010547200).

Almost surely, 2^{1121211221002} is an apocalyptic number.

1121211221002 is a deficient number, since it is larger than the sum of its proper divisors (575126289398).

1121211221002 is a wasteful number, since it uses less digits than its factorization.

1121211221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810.

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

Adding to 1121211221002 its reverse (2001221121211), we get a palindrome (3122432342213).

The spelling of 1121211221002 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, two hundred twenty-one thousand, two".