121100012212102 has 128 divisors (see below), whose sum is σ = 238745774039040. Its totient is φ = 44699783040000.

The previous prime is 121100012212093. The next prime is 121100012212103. The reversal of 121100012212102 is 201212210001121.

121100012212102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100012212103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41502508 + ... + 44324464.

It is an arithmetic number, because the mean of its divisors is an integer number (1865201359680).

Almost surely, 2^{121100012212102} is an apocalyptic number.

121100012212102 is a deficient number, since it is larger than the sum of its proper divisors (117645761826938).

121100012212102 is a wasteful number, since it uses less digits than its factorization.

121100012212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822198.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121100012212102 its reverse (201212210001121), we get a palindrome (322312222213223).

The spelling of 121100012212102 in words is "one hundred twenty-one trillion, one hundred billion, twelve million, two hundred twelve thousand, one hundred two".