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1111010222021 = 71071483324729
BaseRepresentation
bin10000001010101101010…
…111101001111111000101
310221012201012201222221112
4100022231113221333011
5121200322104101041
62210220244454405
7143160604033130
oct20125527517705
93835635658845
101111010222021
113991a4340837
1215b3a30aa405
13809c9b7154b
143bab7879217
151dd773addeb
hex102ad5e9fc5

1111010222021 has 8 divisors (see below), whose sum is σ = 1281592566720. Its totient is φ = 943394527008.

The previous prime is 1111010221999. The next prime is 1111010222033. The reversal of 1111010222021 is 1202220101111.

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 1111010222021 - 222 = 1111006027717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111010221987 and 1111010222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111010222221) 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, 741661616 + ... + 741663113.

It is an arithmetic number, because the mean of its divisors is an integer number (160199070840).

Almost surely, 21111010222021 is an apocalyptic number.

It is an amenable number.

1111010222021 is a deficient number, since it is larger than the sum of its proper divisors (170582344699).

1111010222021 is a wasteful number, since it uses less digits than its factorization.

1111010222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483324843.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111010222021 its reverse (1202220101111), we get a palindrome (2313230323132).

The spelling of 1111010222021 in words is "one trillion, one hundred eleven billion, ten million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 7 107 749 1483324729 10383273103 158715746003 1111010222021