1021401033011 has 8 divisors (see below), whose sum is σ = 1031433031200. Its totient is φ = 1011381059520.

The previous prime is 1021401032999. The next prime is 1021401033043. The reversal of 1021401033011 is 1103301041201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021401033011 is a prime.

It is a super-2 number, since 2×1021401033011² (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 (1021401033061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835410 + ... + 3175271.

It is an arithmetic number, because the mean of its divisors is an integer number (128929128900).

Almost surely, 2^{1021401033011} is an apocalyptic number.

1021401033011 is a deficient number, since it is larger than the sum of its proper divisors (10031998189).

1021401033011 is a wasteful number, since it uses less digits than its factorization.

1021401033011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012349.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021401033011 its reverse (1103301041201), we get a palindrome (2124702074212).

The spelling of 1021401033011 in words is "one trillion, twenty-one billion, four hundred one million, thirty-three thousand, eleven".