121101101070 has 64 divisors (see below), whose sum is σ = 295468369920. Its totient is φ = 31760621568.

The previous prime is 121101101057. The next prime is 121101101071. The reversal of 121101101070 is 70101101121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101101071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509679 + ... + 708501.

It is an arithmetic number, because the mean of its divisors is an integer number (4616693280).

Almost surely, 2^121101101070 is an apocalyptic number.

121101101070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101101070 is an abundant number, since it is smaller than the sum of its proper divisors (174367268850).

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

121101101070 is a wasteful number, since it uses less digits than its factorization.

121101101070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199169.

The product of its (nonzero) digits is 14, while the sum is 15.

Adding to 121101101070 its reverse (70101101121), we get a palindrome (191202202191).

The spelling of 121101101070 in words is "one hundred twenty-one billion, one hundred one million, one hundred one thousand, seventy".