1202010111121 has 8 divisors (see below), whose sum is σ = 1265341468320. Its totient is φ = 1138685520672.

The previous prime is 1202010111101. The next prime is 1202010111149. The reversal of 1202010111121 is 1211110102021.

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 1202010111121 - 2¹¹ = 1202010109073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202010111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325020 + ... + 2039533.

It is an arithmetic number, because the mean of its divisors is an integer number (158167683540).

Almost surely, 2^{1202010111121} is an apocalyptic number.

It is an amenable number.

1202010111121 is a deficient number, since it is larger than the sum of its proper divisors (63331357199).

1202010111121 is a wasteful number, since it uses less digits than its factorization.

1202010111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383375.

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

Adding to 1202010111121 its reverse (1211110102021), we get a palindrome (2413120213142).

It can be divided in two parts, 1202010 and 111121, that added together give a palindrome (1313131).

The spelling of 1202010111121 in words is "one trillion, two hundred two billion, ten million, one hundred eleven thousand, one hundred twenty-one".