121401220235 has 8 divisors (see below), whose sum is σ = 146013315360. Its totient is φ = 96899742144.

The previous prime is 121401220139. The next prime is 121401220247. The reversal of 121401220235 is 532022104121.

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

It is a cyclic number.

It is not a de Polignac number, because 121401220235 - 2¹⁰ = 121401219211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121401220235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27651842 + ... + 27656231.

It is an arithmetic number, because the mean of its divisors is an integer number (18251664420).

Almost surely, 2^121401220235 is an apocalyptic number.

121401220235 is a deficient number, since it is larger than the sum of its proper divisors (24612095125).

121401220235 is an equidigital number, since it uses as much as digits as its factorization.

121401220235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55308517.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 121401220235 its reverse (532022104121), we get a palindrome (653423324356).

The spelling of 121401220235 in words is "one hundred twenty-one billion, four hundred one million, two hundred twenty thousand, two hundred thirty-five".