1030121551115 has 8 divisors (see below), whose sum is σ = 1239373398528. Its totient is φ = 821945549440.

The previous prime is 1030121551091. The next prime is 1030121551127. The reversal of 1030121551115 is 5111551210301.

It is a happy number.

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

It is not a de Polignac number, because 1030121551115 - 2⁶ = 1030121551051 is a prime.

It is a super-2 number, since 2×1030121551115² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268959326 + ... + 268963155.

It is an arithmetic number, because the mean of its divisors is an integer number (154921674816).

Almost surely, 2^{1030121551115} is an apocalyptic number.

1030121551115 is a deficient number, since it is larger than the sum of its proper divisors (209251847413).

1030121551115 is an equidigital number, since it uses as much as digits as its factorization.

1030121551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537922869.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 1030121551115 its reverse (5111551210301), we get a palindrome (6141672761416).

The spelling of 1030121551115 in words is "one trillion, thirty billion, one hundred twenty-one million, five hundred fifty-one thousand, one hundred fifteen".