121012201102 has 16 divisors (see below), whose sum is σ = 195490631952. Its totient is φ = 55849104000.

The previous prime is 121012201097. The next prime is 121012201103. The reversal of 121012201102 is 201102210121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012201103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 504438 + ... + 704614.

It is an arithmetic number, because the mean of its divisors is an integer number (12218164497).

Almost surely, 2^121012201102 is an apocalyptic number.

121012201102 is a deficient number, since it is larger than the sum of its proper divisors (74478430850).

121012201102 is a wasteful number, since it uses less digits than its factorization.

121012201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223443.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121012201102 its reverse (201102210121), we get a palindrome (322114411223).

The spelling of 121012201102 in words is "one hundred twenty-one billion, twelve million, two hundred one thousand, one hundred two".