4121121020402 has 8 divisors (see below), whose sum is σ = 6313206669696. Its totient is φ = 2016718797172.

The previous prime is 4121121020381. The next prime is 4121121020411. The reversal of 4121121020402 is 2040201211214.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21920856398 + ... + 21920856585.

It is an arithmetic number, because the mean of its divisors is an integer number (789150833712).

Almost surely, 2^{4121121020402} is an apocalyptic number.

4121121020402 is a deficient number, since it is larger than the sum of its proper divisors (2192085649294).

4121121020402 is a wasteful number, since it uses less digits than its factorization.

4121121020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43841713032.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 4121121020402 its reverse (2040201211214), we get a palindrome (6161322231616).

The spelling of 4121121020402 in words is "four trillion, one hundred twenty-one billion, one hundred twenty-one million, twenty thousand, four hundred two".