1202111121002 has 16 divisors (see below), whose sum is σ = 1968412060800. Its totient is φ = 546047163840.

The previous prime is 1202111120993. The next prime is 1202111121023. The reversal of 1202111121002 is 2001211112021.

It is a super-2 number, since 2×1202111121002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18315602 + ... + 18381117.

It is an arithmetic number, because the mean of its divisors is an integer number (123025753800).

Almost surely, 2^{1202111121002} is an apocalyptic number.

1202111121002 is a deficient number, since it is larger than the sum of its proper divisors (766300939798).

1202111121002 is a wasteful number, since it uses less digits than its factorization.

1202111121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36698221.

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

Adding to 1202111121002 its reverse (2001211112021), we get a palindrome (3203322233023).

The spelling of 1202111121002 in words is "one trillion, two hundred two billion, one hundred eleven million, one hundred twenty-one thousand, two".