121146402244042 has 32 divisors (see below), whose sum is σ = 208044299384064. Its totient is φ = 51828755798400.

The previous prime is 121146402244039. The next prime is 121146402244067. The reversal of 121146402244042 is 240442204641121.

It is a super-3 number, since 3×121146402244042³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121146402243992 and 121146402244010.

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, 23005692 + ... + 27776872.

It is an arithmetic number, because the mean of its divisors is an integer number (6501384355752).

Almost surely, 2^{121146402244042} is an apocalyptic number.

121146402244042 is a deficient number, since it is larger than the sum of its proper divisors (86897897140022).

121146402244042 is a wasteful number, since it uses less digits than its factorization.

121146402244042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774374.

The product of its (nonzero) digits is 98304, while the sum is 37.

Adding to 121146402244042 its reverse (240442204641121), we get a palindrome (361588606885163).

The spelling of 121146402244042 in words is "one hundred twenty-one trillion, one hundred forty-six billion, four hundred two million, two hundred forty-four thousand, forty-two".