121402422141 has 64 divisors (see below), whose sum is σ = 217466167296. Its totient is φ = 58180032000.

The previous prime is 121402422137. The next prime is 121402422181. The reversal of 121402422141 is 141224204121.

It is a happy number.

It is not a de Polignac number, because 121402422141 - 2² = 121402422137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121402422131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5397180 + ... + 5419626.

It is an arithmetic number, because the mean of its divisors is an integer number (3397908864).

Almost surely, 2^121402422141 is an apocalyptic number.

121402422141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121402422141 is a deficient number, since it is larger than the sum of its proper divisors (96063745155).

121402422141 is a wasteful number, since it uses less digits than its factorization.

121402422141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24282.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 121402422141 its reverse (141224204121), we get a palindrome (262626626262).

The spelling of 121402422141 in words is "one hundred twenty-one billion, four hundred two million, four hundred twenty-two thousand, one hundred forty-one".