20022101222123 has 32 divisors (see below), whose sum is σ = 26885351055360. Its totient is φ = 14400156101760.

The previous prime is 20022101222017. The next prime is 20022101222131. The reversal of 20022101222123 is 32122210122002.

It is not a de Polignac number, because 20022101222123 - 2⁸ = 20022101221867 is a prime.

It is a super-3 number, since 3×20022101222123³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20022101222095 and 20022101222104.

It is not an unprimeable number, because it can be changed into a prime (20022101222143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9761873 + ... + 11633501.

It is an arithmetic number, because the mean of its divisors is an integer number (840167220480).

Almost surely, 2^{20022101222123} is an apocalyptic number.

20022101222123 is a deficient number, since it is larger than the sum of its proper divisors (6863249833237).

20022101222123 is a wasteful number, since it uses less digits than its factorization.

20022101222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882347.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20022101222123 its reverse (32122210122002), we get a palindrome (52144311344125).

The spelling of 20022101222123 in words is "twenty trillion, twenty-two billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-three".