1010142121 has 8 divisors (see below), whose sum is σ = 1027625760. Its totient is φ = 992785152.

The previous prime is 1010142113. The next prime is 1010142139. The reversal of 1010142121 is 1212410101.

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 1010142121 - 2³ = 1010142113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010142151) 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, 15511 + ... + 47548.

It is an arithmetic number, because the mean of its divisors is an integer number (128453220).

Almost surely, 2^1010142121 is an apocalyptic number.

It is an amenable number.

1010142121 is a deficient number, since it is larger than the sum of its proper divisors (17483639).

1010142121 is an equidigital number, since it uses as much as digits as its factorization.

1010142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63335.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1010142121 is about 31782.7330637250. The cubic root of 1010142121 is about 1003.3693417858.

Adding to 1010142121 its reverse (1212410101), we get a palindrome (2222552222).

The spelling of 1010142121 in words is "one billion, ten million, one hundred forty-two thousand, one hundred twenty-one".