9121102101 has 24 divisors (see below), whose sum is σ = 13537909944. Its totient is φ = 5913371520.

The previous prime is 9121102099. The next prime is 9121102103. The reversal of 9121102101 is 1012011219.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9121102099) and next prime (9121102103).

It can be written as a sum of positive squares in 4 ways, for example, as 336539025 + 8784563076 = 18345^2 + 93726^2 .

It is not a de Polignac number, because 9121102101 - 2¹ = 9121102099 is a prime.

It is a super-2 number, since 2×9121102101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121102103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 779071 + ... + 790691.

It is an arithmetic number, because the mean of its divisors is an integer number (564079581).

Almost surely, 2^9121102101 is an apocalyptic number.

It is an amenable number.

9121102101 is a deficient number, since it is larger than the sum of its proper divisors (4416807843).

9121102101 is a wasteful number, since it uses less digits than its factorization.

9121102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14021 (or 14018 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 9121102101 is about 95504.4611575815. The cubic root of 9121102101 is about 2089.3720098393.

The spelling of 9121102101 in words is "nine billion, one hundred twenty-one million, one hundred two thousand, one hundred one".