20201102234122 has 4 divisors (see below), whose sum is σ = 30301653351186. Its totient is φ = 10100551117060.

The previous prime is 20201102234069. The next prime is 20201102234161. The reversal of 20201102234122 is 22143220110202.

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

It can be written as a sum of positive squares in only one way, i.e., 10901889843601 + 9299212390521 = 3301801^2 + 3049461^2 .

It is a super-2 number, since 2×20201102234122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20201102234093 and 20201102234102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050275558529 + ... + 5050275558532.

Almost surely, 2^{20201102234122} is an apocalyptic number.

20201102234122 is a deficient number, since it is larger than the sum of its proper divisors (10100551117064).

20201102234122 is a wasteful number, since it uses less digits than its factorization.

20201102234122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100551117063.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20201102234122 its reverse (22143220110202), we get a palindrome (42344322344324).

The spelling of 20201102234122 in words is "twenty trillion, two hundred one billion, one hundred two million, two hundred thirty-four thousand, one hundred twenty-two".