1210211121002 has 32 divisors (see below), whose sum is σ = 2077828072320. Its totient is φ = 524023629120.

The previous prime is 1210211120971. The next prime is 1210211121013. The reversal of 1210211121002 is 2001211120121.

It is a super-2 number, since 2×1210211121002² (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, 11841449 + ... + 11943212.

It is an arithmetic number, because the mean of its divisors is an integer number (64932127260).

Almost surely, 2^{1210211121002} is an apocalyptic number.

1210211121002 is a deficient number, since it is larger than the sum of its proper divisors (867616951318).

1210211121002 is a wasteful number, since it uses less digits than its factorization.

1210211121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23784798.

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

Adding to 1210211121002 its reverse (2001211120121), we get a palindrome (3211422241123).

The spelling of 1210211121002 in words is "one trillion, two hundred ten billion, two hundred eleven million, one hundred twenty-one thousand, two".