1120121210121 has 8 divisors (see below), whose sum is σ = 1493506273344. Its totient is φ = 746741810160.

The previous prime is 1120121210107. The next prime is 1120121210149. The reversal of 1120121210121 is 1210121210211.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1120121210121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120121210121.

It is not an unprimeable number, because it can be changed into a prime (1120121210101) 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, 930550 + ... + 1762431.

It is an arithmetic number, because the mean of its divisors is an integer number (186688284168).

Almost surely, 2^{1120121210121} is an apocalyptic number.

It is an amenable number.

1120121210121 is a deficient number, since it is larger than the sum of its proper divisors (373385063223).

1120121210121 is a wasteful number, since it uses less digits than its factorization.

1120121210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831631.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1120121210121 its reverse (1210121210211), we get a palindrome (2330242420332).

The spelling of 1120121210121 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-one".