121101012110 has 32 divisors (see below), whose sum is σ = 234767175552. Its totient is φ = 44710882560.

The previous prime is 121101012103. The next prime is 121101012119. The reversal of 121101012110 is 11210101121.

It is a junction number, because it is equal to n+sod(n) for n = 121101012091 and 121101012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101012119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2330027 + ... + 2381433.

It is an arithmetic number, because the mean of its divisors is an integer number (7336474236).

Almost surely, 2^121101012110 is an apocalyptic number.

121101012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101012110 is a deficient number, since it is larger than the sum of its proper divisors (113666163442).

121101012110 is a wasteful number, since it uses less digits than its factorization.

121101012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69548.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121101012110 its reverse (11210101121), we get a palindrome (132311113231).

The spelling of 121101012110 in words is "one hundred twenty-one billion, one hundred one million, twelve thousand, one hundred ten".