121001101110 has 96 divisors (see below), whose sum is σ = 342112017312. Its totient is φ = 29548108800.

The previous prime is 121001101103. The next prime is 121001101187. The reversal of 121001101110 is 11101100121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 121001101092 and 121001101101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1012116 + ... + 1125335.

It is an arithmetic number, because the mean of its divisors is an integer number (3563666847).

Almost surely, 2^121001101110 is an apocalyptic number.

121001101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001101110 is an abundant number, since it is smaller than the sum of its proper divisors (221110916202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121001101110 is a wasteful number, since it uses less digits than its factorization.

121001101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137518 (or 2137515 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 121001101110 its reverse (11101100121), we get a palindrome (132102201231).

It can be divided in two parts, 121001 and 101110, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 121001101110 in words is "one hundred twenty-one billion, one million, one hundred one thousand, one hundred ten".