1122011210121 has 8 divisors (see below), whose sum is σ = 1516508302560. Its totient is φ = 737760795552.

The previous prime is 1122011210107. The next prime is 1122011210207. The reversal of 1122011210121 is 1210121102211.

It is a happy number.

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

It is not a de Polignac number, because 1122011210121 - 2⁹ = 1122011209609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122011210121.

It is not an unprimeable number, because it can be changed into a prime (1122011210821) 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, 2561669211 + ... + 2561669648.

It is an arithmetic number, because the mean of its divisors is an integer number (189563537820).

Almost surely, 2^{1122011210121} is an apocalyptic number.

It is an amenable number.

1122011210121 is a deficient number, since it is larger than the sum of its proper divisors (394497092439).

1122011210121 is an equidigital number, since it uses as much as digits as its factorization.

1122011210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123338935.

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

Adding to 1122011210121 its reverse (1210121102211), we get a palindrome (2332132312332).

The spelling of 1122011210121 in words is "one trillion, one hundred twenty-two billion, eleven million, two hundred ten thousand, one hundred twenty-one".