4020122101422 has 32 divisors (see below), whose sum is σ = 9193891203072. Its totient is φ = 1147976229024.

The previous prime is 4020122101399. The next prime is 4020122101453. The reversal of 4020122101422 is 2241012210204.

It is a super-2 number, since 2×4020122101422² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26176093 + ... + 26329224.

It is an arithmetic number, because the mean of its divisors is an integer number (287309100096).

Almost surely, 2^{4020122101422} is an apocalyptic number.

4020122101422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4020122101422 is an abundant number, since it is smaller than the sum of its proper divisors (5173769101650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4020122101422 is a wasteful number, since it uses less digits than its factorization.

4020122101422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52507152.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 4020122101422 its reverse (2241012210204), we get a palindrome (6261134311626).

The spelling of 4020122101422 in words is "four trillion, twenty billion, one hundred twenty-two million, one hundred one thousand, four hundred twenty-two".