121101220202 has 32 divisors (see below), whose sum is σ = 184657708800. Its totient is φ = 59555059200.

The previous prime is 121101220171. The next prime is 121101220211. The reversal of 121101220202 is 202022101121.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56880674 + ... + 56882802.

It is an arithmetic number, because the mean of its divisors is an integer number (5770553400).

Almost surely, 2^121101220202 is an apocalyptic number.

121101220202 is a deficient number, since it is larger than the sum of its proper divisors (63556488598).

121101220202 is a wasteful number, since it uses less digits than its factorization.

121101220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121101220202 its reverse (202022101121), we get a palindrome (323123321323).

The spelling of 121101220202 in words is "one hundred twenty-one billion, one hundred one million, two hundred twenty thousand, two hundred two".