1010121311 has 8 divisors (see below), whose sum is σ = 1015372800. Its totient is φ = 1004878840.

The previous prime is 1010121289. The next prime is 1010121313. The reversal of 1010121311 is 1131210101.

It is a happy number.

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 1010121311 - 2²² = 1005927007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010121292 and 1010121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010121313) 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, 371246 + ... + 373956.

It is an arithmetic number, because the mean of its divisors is an integer number (126921600).

Almost surely, 2^1010121311 is an apocalyptic number.

1010121311 is a deficient number, since it is larger than the sum of its proper divisors (5251489).

1010121311 is a wasteful number, since it uses less digits than its factorization.

1010121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1010121311 is about 31782.4056830190. The cubic root of 1010121311 is about 1003.3624515807.

Adding to 1010121311 its reverse (1131210101), we get a palindrome (2141331412).

The spelling of 1010121311 in words is "one billion, ten million, one hundred twenty-one thousand, three hundred eleven".