2120001111101 has 8 divisors (see below), whose sum is σ = 2132103608544. Its totient is φ = 2107902897360.

The previous prime is 2120001111097. The next prime is 2120001111113. The reversal of 2120001111101 is 1011111000212.

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 2120001111101 - 2² = 2120001111097 is a prime.

It is a super-2 number, since 2×2120001111101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120001111191) 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, 75671 + ... + 2060516.

It is an arithmetic number, because the mean of its divisors is an integer number (266512951068).

Almost surely, 2^{2120001111101} is an apocalyptic number.

It is an amenable number.

2120001111101 is a deficient number, since it is larger than the sum of its proper divisors (12102497443).

2120001111101 is a wasteful number, since it uses less digits than its factorization.

2120001111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141851.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2120001111101 its reverse (1011111000212), we get a palindrome (3131112111313).

The spelling of 2120001111101 in words is "two trillion, one hundred twenty billion, one million, one hundred eleven thousand, one hundred one".