121210222220102 has 16 divisors (see below), whose sum is σ = 181985371751952. Its totient is φ = 60548434248960.

The previous prime is 121210222220063. The next prime is 121210222220149. The reversal of 121210222220102 is 201022222012121.

121210222220102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121210222220102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95451077 + ... + 96712607.

It is an arithmetic number, because the mean of its divisors is an integer number (11374085734497).

Almost surely, 2^{121210222220102} is an apocalyptic number.

121210222220102 is a deficient number, since it is larger than the sum of its proper divisors (60775149531850).

121210222220102 is a wasteful number, since it uses less digits than its factorization.

121210222220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306423.

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

Adding to 121210222220102 its reverse (201022222012121), we get a palindrome (322232444232223).

The spelling of 121210222220102 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty thousand, one hundred two".