121002111110 has 32 divisors (see below), whose sum is σ = 225341036640. Its totient is φ = 46726299648.

The previous prime is 121002111107. The next prime is 121002111127. The reversal of 121002111110 is 11111200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002111091 and 121002111100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3098969 + ... + 3137771.

It is an arithmetic number, because the mean of its divisors is an integer number (7041907395).

Almost surely, 2^121002111110 is an apocalyptic number.

121002111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002111110 is a deficient number, since it is larger than the sum of its proper divisors (104338925530).

121002111110 is a wasteful number, since it uses less digits than its factorization.

121002111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49592.

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

Adding to 121002111110 its reverse (11111200121), we get a palindrome (132113311231).

The spelling of 121002111110 in words is "one hundred twenty-one billion, two million, one hundred eleven thousand, one hundred ten".