1210111221002 has 16 divisors (see below), whose sum is σ = 1909585216800. Its totient is φ = 574290069360.

The previous prime is 1210111221001. The next prime is 1210111221037. The reversal of 1210111221002 is 2001221110121.

It is not an unprimeable number, because it can be changed into a prime (1210111221001) 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, 176810024 + ... + 176816867.

It is an arithmetic number, because the mean of its divisors is an integer number (119349076050).

Almost surely, 2^{1210111221002} is an apocalyptic number.

1210111221002 is a deficient number, since it is larger than the sum of its proper divisors (699473995798).

1210111221002 is a wasteful number, since it uses less digits than its factorization.

1210111221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353626981.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210111221002 its reverse (2001221110121), we get a palindrome (3211332331123).

The spelling of 1210111221002 in words is "one trillion, two hundred ten billion, one hundred eleven million, two hundred twenty-one thousand, two".