121101010102 has 16 divisors (see below), whose sum is σ = 184258264752. Its totient is φ = 59686871200.

The previous prime is 121101010097. The next prime is 121101010109. The reversal of 121101010102 is 201010101121.

121101010102 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-3 number, since 3×121101010102³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101010109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274653 + ... + 1366360.

It is an arithmetic number, because the mean of its divisors is an integer number (11516141547).

Almost surely, 2^121101010102 is an apocalyptic number.

121101010102 is a deficient number, since it is larger than the sum of its proper divisors (63157254650).

121101010102 is a wasteful number, since it uses less digits than its factorization.

121101010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641343.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121101010102 its reverse (201010101121), we get a palindrome (322111111223).

The spelling of 121101010102 in words is "one hundred twenty-one billion, one hundred one million, ten thousand, one hundred two".