1202010122121 has 8 divisors (see below), whose sum is σ = 1602815789184. Its totient is φ = 801272268240.

The previous prime is 1202010122119. The next prime is 1202010122143. The reversal of 1202010122121 is 1212210102021.

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

It is not a de Polignac number, because 1202010122121 - 2¹ = 1202010122119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202010122121.

It is not an unprimeable number, because it can be changed into a prime (1202010122921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16911921 + ... + 16982846.

It is an arithmetic number, because the mean of its divisors is an integer number (200351973648).

Almost surely, 2^{1202010122121} is an apocalyptic number.

It is an amenable number.

1202010122121 is a deficient number, since it is larger than the sum of its proper divisors (400805667063).

1202010122121 is a wasteful number, since it uses less digits than its factorization.

1202010122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33906591.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202010122121 its reverse (1212210102021), we get a palindrome (2414220224142).

The spelling of 1202010122121 in words is "one trillion, two hundred two billion, ten million, one hundred twenty-two thousand, one hundred twenty-one".