10101121 has 8 divisors (see below), whose sum is σ = 10355040. Its totient is φ = 9850368.

The previous prime is 10101109. The next prime is 10101137. The reversal of 10101121 is 12110101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10101121 - 2¹¹ = 10099073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6465 + ... + 7873.

It is an arithmetic number, because the mean of its divisors is an integer number (1294380).

Almost surely, 2^10101121 is an apocalyptic number.

It is an amenable number.

10101121 is a deficient number, since it is larger than the sum of its proper divisors (253919).

10101121 is a wasteful number, since it uses less digits than its factorization.

10101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 10101121 is about 3178.2260775470. The cubic root of 10101121 is about 216.1672301769.

Adding to 10101121 its reverse (12110101), we get a palindrome (22211222).

Multiplying 10101121 by its reverse (12110101), we get a palindrome (122325595523221).

It can be divided in two parts, 10101 and 121, that multiplied together give a palindrome (1222221).

The spelling of 10101121 in words is "ten million, one hundred one thousand, one hundred twenty-one".