1010101121 has 16 divisors (see below), whose sum is σ = 1082749824. Its totient is φ = 938974464.

The previous prime is 1010101109. The next prime is 1010101177. The reversal of 1010101121 is 1211010101.

It is a happy number.

1010101121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1010101121 - 2¹⁴ = 1010084737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010101099 and 1010101108.

It is not an unprimeable number, because it can be changed into a prime (1010101321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283090 + ... + 1283876.

It is an arithmetic number, because the mean of its divisors is an integer number (67671864).

Almost surely, 2^1010101121 is an apocalyptic number.

It is an amenable number.

1010101121 is a deficient number, since it is larger than the sum of its proper divisors (72648703).

1010101121 is a wasteful number, since it uses less digits than its factorization.

1010101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1010101121 is about 31782.0880528640. The cubic root of 1010101121 is about 1003.3557665675.

Adding to 1010101121 its reverse (1211010101), we get a palindrome (2221111222).

It can be divided in two parts, 1010101 and 121, that multiplied together give a palindrome (122222221).

The spelling of 1010101121 in words is "one billion, ten million, one hundred one thousand, one hundred twenty-one".