1051121351401 has 16 divisors (see below), whose sum is σ = 1179100453248. Its totient is φ = 928608796800.

The previous prime is 1051121351299. The next prime is 1051121351411. The reversal of 1051121351401 is 1041531211501.

It is a cyclic number.

It is not a de Polignac number, because 1051121351401 - 2²¹ = 1051119254249 is a prime.

It is a super-2 number, since 2×1051121351401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051121351411) 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, 1234060 + ... + 1903981.

It is an arithmetic number, because the mean of its divisors is an integer number (73693778328).

Almost surely, 2^{1051121351401} is an apocalyptic number.

1051121351401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1051121351401 is a deficient number, since it is larger than the sum of its proper divisors (127979101847).

1051121351401 is a wasteful number, since it uses less digits than its factorization.

1051121351401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138912.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 1051121351401 its reverse (1041531211501), we get a palindrome (2092652562902).

The spelling of 1051121351401 in words is "one trillion, fifty-one billion, one hundred twenty-one million, three hundred fifty-one thousand, four hundred one".