2211020020121 has 16 divisors (see below), whose sum is σ = 2413544356608. Its totient is φ = 2008749877200.

The previous prime is 2211020020087. The next prime is 2211020020123. The reversal of 2211020020121 is 1210200201122.

It is not a de Polignac number, because 2211020020121 - 2¹⁰ = 2211020019097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211020020096 and 2211020020105.

It is not an unprimeable number, because it can be changed into a prime (2211020020123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157799006 + ... + 157813016.

It is an arithmetic number, because the mean of its divisors is an integer number (150846522288).

Almost surely, 2^{2211020020121} is an apocalyptic number.

It is an amenable number.

2211020020121 is a deficient number, since it is larger than the sum of its proper divisors (202524336487).

2211020020121 is a wasteful number, since it uses less digits than its factorization.

2211020020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22052.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2211020020121 its reverse (1210200201122), we get a palindrome (3421220221243).

The spelling of 2211020020121 in words is "two trillion, two hundred eleven billion, twenty million, twenty thousand, one hundred twenty-one".