20022211001011 has 4 divisors (see below), whose sum is σ = 20487843815032. Its totient is φ = 19556578186992.

The previous prime is 20022211000973. The next prime is 20022211001041. The reversal of 20022211001011 is 11010011222002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022211001011 is a prime.

It is a super-3 number, since 3×20022211001011³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022211000982 and 20022211001000.

It is not an unprimeable number, because it can be changed into a prime (20022211001041) 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, 232816406946 + ... + 232816407031.

It is an arithmetic number, because the mean of its divisors is an integer number (5121960953758).

Almost surely, 2^{20022211001011} is an apocalyptic number.

20022211001011 is a deficient number, since it is larger than the sum of its proper divisors (465632814021).

20022211001011 is an equidigital number, since it uses as much as digits as its factorization.

20022211001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465632814020.

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

Adding to 20022211001011 its reverse (11010011222002), we get a palindrome (31032222223013).

The spelling of 20022211001011 in words is "twenty trillion, twenty-two billion, two hundred eleven million, one thousand, eleven".