20110102011121 has 8 divisors (see below), whose sum is σ = 20525297904000. Its totient is φ = 19697664895440.

The previous prime is 20110102011101. The next prime is 20110102011157. The reversal of 20110102011121 is 12111020101102.

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 20110102011121 - 2¹⁷ = 20110101880049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110102011101) 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, 689679571 + ... + 689708728.

It is an arithmetic number, because the mean of its divisors is an integer number (2565662238000).

Almost surely, 2^{20110102011121} is an apocalyptic number.

It is an amenable number.

20110102011121 is a deficient number, since it is larger than the sum of its proper divisors (415195892879).

20110102011121 is a wasteful number, since it uses less digits than its factorization.

20110102011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379388599.

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

Adding to 20110102011121 its reverse (12111020101102), we get a palindrome (32221122112223).

The spelling of 20110102011121 in words is "twenty trillion, one hundred ten billion, one hundred two million, eleven thousand, one hundred twenty-one".