1202111121001 has 8 divisors (see below), whose sum is σ = 1384328620224. Its totient is φ = 1022515456560.

The previous prime is 1202111120993. The next prime is 1202111121023. The reversal of 1202111121001 is 1001211112021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202111121001 - 2³ = 1202111120993 is a prime.

It is a super-2 number, since 2×1202111121001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202111121031) by changing a digit.

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, 655457710 + ... + 655459543.

It is an arithmetic number, because the mean of its divisors is an integer number (173041077528).

Almost surely, 2^{1202111121001} is an apocalyptic number.

It is an amenable number.

1202111121001 is a deficient number, since it is larger than the sum of its proper divisors (182217499223).

1202111121001 is a wasteful number, since it uses less digits than its factorization.

1202111121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310917391.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1202111121001 its reverse (1001211112021), we get a palindrome (2203322233022).

The spelling of 1202111121001 in words is "one trillion, two hundred two billion, one hundred eleven million, one hundred twenty-one thousand, one".