120422142421 has 16 divisors (see below), whose sum is σ = 141338787840. Its totient is φ = 100458408240.

The previous prime is 120422142359. The next prime is 120422142437. The reversal of 120422142421 is 124241224021.

It is a cyclic number.

It is not a de Polignac number, because 120422142421 - 2⁹ = 120422141909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120422142121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963525 + ... + 1081306.

It is an arithmetic number, because the mean of its divisors is an integer number (8833674240).

Almost surely, 2^120422142421 is an apocalyptic number.

It is an amenable number.

120422142421 is a deficient number, since it is larger than the sum of its proper divisors (20916645419).

120422142421 is a wasteful number, since it uses less digits than its factorization.

120422142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045064.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 120422142421 its reverse (124241224021), we get a palindrome (244663366442).

The spelling of 120422142421 in words is "one hundred twenty billion, four hundred twenty-two million, one hundred forty-two thousand, four hundred twenty-one".