1034221140021 has 12 divisors (see below), whose sum is σ = 1398110191008. Its totient is φ = 680035807584.

The previous prime is 1034221140013. The next prime is 1034221140023. The reversal of 1034221140021 is 1200411224301.

It is not a de Polignac number, because 1034221140021 - 2³ = 1034221140013 is a prime.

It is a super-2 number, since 2×1034221140021² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1034221140021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034221140023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32329705 + ... + 32361678.

It is an arithmetic number, because the mean of its divisors is an integer number (116509182584).

Almost surely, 2^{1034221140021} is an apocalyptic number.

It is an amenable number.

1034221140021 is a deficient number, since it is larger than the sum of its proper divisors (363889050987).

1034221140021 is an frugal number, since it uses more digits than its factorization.

1034221140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64691532 (or 64691459 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1034221140021 its reverse (1200411224301), we get a palindrome (2234632364322).

The spelling of 1034221140021 in words is "one trillion, thirty-four billion, two hundred twenty-one million, one hundred forty thousand, twenty-one".