4121220112102 has 4 divisors (see below), whose sum is σ = 6181830168156. Its totient is φ = 2060610056050.

The previous prime is 4121220112049. The next prime is 4121220112103. The reversal of 4121220112102 is 2012110221214.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4121220112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121220112103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030305028024 + ... + 1030305028027.

It is an arithmetic number, because the mean of its divisors is an integer number (1545457542039).

Almost surely, 2^{4121220112102} is an apocalyptic number.

4121220112102 is a deficient number, since it is larger than the sum of its proper divisors (2060610056054).

4121220112102 is a wasteful number, since it uses less digits than its factorization.

4121220112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060610056053.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 4121220112102 its reverse (2012110221214), we get a palindrome (6133330333316).

The spelling of 4121220112102 in words is "four trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, one hundred two".