20100022121011 has 8 divisors (see below), whose sum is σ = 23248218357504. Its totient is φ = 17021017010760.

The previous prime is 20100022120979. The next prime is 20100022121083. The reversal of 20100022121011 is 11012122000102.

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

It is not a de Polignac number, because 20100022121011 - 2⁵ = 20100022120979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20100022120982 and 20100022121000.

It is not an unprimeable number, because it can be changed into a prime (20100022121411) 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, 17297780935 + ... + 17297782096.

It is an arithmetic number, because the mean of its divisors is an integer number (2906027294688).

Almost surely, 2^{20100022121011} is an apocalyptic number.

20100022121011 is a deficient number, since it is larger than the sum of its proper divisors (3148196236493).

20100022121011 is an equidigital number, since it uses as much as digits as its factorization.

20100022121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34595563121.

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

Adding to 20100022121011 its reverse (11012122000102), we get a palindrome (31112144121113).

The spelling of 20100022121011 in words is "twenty trillion, one hundred billion, twenty-two million, one hundred twenty-one thousand, eleven".