1001121202102 has 16 divisors (see below), whose sum is σ = 1716222235392. Its totient is φ = 429048328680.

The previous prime is 1001121202051. The next prime is 1001121202157. The reversal of 1001121202102 is 2012021211001.

It is a super-2 number, since 2×1001121202102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055327 + ... + 2495317.

It is an arithmetic number, because the mean of its divisors is an integer number (107263889712).

Almost surely, 2^{1001121202102} is an apocalyptic number.

1001121202102 is a deficient number, since it is larger than the sum of its proper divisors (715101033290).

1001121202102 is a wasteful number, since it uses less digits than its factorization.

1001121202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602523.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001121202102 its reverse (2012021211001), we get a palindrome (3013142413103).

The spelling of 1001121202102 in words is "one trillion, one billion, one hundred twenty-one million, two hundred two thousand, one hundred two".