121020211342 has 8 divisors (see below), whose sum is σ = 184955417496. Its totient is φ = 59368405512.

The previous prime is 121020211327. The next prime is 121020211369. The reversal of 121020211342 is 243112020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570849948 + ... + 570850159.

It is an arithmetic number, because the mean of its divisors is an integer number (23119427187).

Almost surely, 2^121020211342 is an apocalyptic number.

121020211342 is a deficient number, since it is larger than the sum of its proper divisors (63935206154).

121020211342 is a wasteful number, since it uses less digits than its factorization.

121020211342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141700162.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121020211342 its reverse (243112020121), we get a palindrome (364132231463).

The spelling of 121020211342 in words is "one hundred twenty-one billion, twenty million, two hundred eleven thousand, three hundred forty-two".