2122001021011 has 4 divisors (see below), whose sum is σ = 2214261934992. Its totient is φ = 2029740107032.

The previous prime is 2122001020991. The next prime is 2122001021027. The reversal of 2122001021011 is 1101201002212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122001021011 - 2¹³ = 2122001012819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122001020982 and 2122001021000.

It is not an unprimeable number, because it can be changed into a prime (2122001021081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46130456956 + ... + 46130457001.

It is an arithmetic number, because the mean of its divisors is an integer number (553565483748).

Almost surely, 2^{2122001021011} is an apocalyptic number.

2122001021011 is a deficient number, since it is larger than the sum of its proper divisors (92260913981).

2122001021011 is an equidigital number, since it uses as much as digits as its factorization.

2122001021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92260913980.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2122001021011 its reverse (1101201002212), we get a palindrome (3223202023223).

The spelling of 2122001021011 in words is "two trillion, one hundred twenty-two billion, one million, twenty-one thousand, eleven".